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A2 - Wikipedia

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class="vector-toc-list"> </ul> </li> <li id="toc-Electronics" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Electronics"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Electronics</span> </div> </a> <ul id="toc-Electronics-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Gaming" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Gaming"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Gaming</span> </div> </a> <ul id="toc-Gaming-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Language" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Language"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Language</span> </div> </a> <ul id="toc-Language-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Military" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Military"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Military</span> </div> </a> <ul id="toc-Military-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Music" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Music"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Music</span> </div> </a> <ul id="toc-Music-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sport" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sport"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Sport</span> </div> </a> <ul id="toc-Sport-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Television" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Television"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Television</span> </div> </a> <ul id="toc-Television-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Transportation" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Transportation"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Transportation</span> </div> </a> <button aria-controls="toc-Transportation-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Transportation subsection</span> </button> <ul id="toc-Transportation-sublist" class="vector-toc-list"> <li id="toc-Air" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Air"> <div class="vector-toc-text"> <span class="vector-toc-numb">10.1</span> <span>Air</span> </div> </a> <ul id="toc-Air-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Rail" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Rail"> <div class="vector-toc-text"> <span class="vector-toc-numb">10.2</span> <span>Rail</span> </div> </a> <ul id="toc-Rail-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Road" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Road"> <div class="vector-toc-text"> <span class="vector-toc-numb">10.3</span> <span>Road</span> </div> </a> <ul id="toc-Road-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sea" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Sea"> <div class="vector-toc-text"> <span class="vector-toc-numb">10.4</span> <span>Sea</span> </div> </a> <ul id="toc-Sea-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Space" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Space"> <div class="vector-toc-text"> <span class="vector-toc-numb">10.5</span> <span>Space</span> </div> </a> <ul id="toc-Space-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tanks" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Tanks"> <div class="vector-toc-text"> <span class="vector-toc-numb">10.6</span> <span>Tanks</span> </div> </a> <ul id="toc-Tanks-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Weapons" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Weapons"> <div class="vector-toc-text"> <span class="vector-toc-numb">11</span> <span>Weapons</span> </div> </a> <ul id="toc-Weapons-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Other_uses" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Other_uses"> <div class="vector-toc-text"> <span class="vector-toc-numb">12</span> <span>Other uses</span> </div> </a> <ul id="toc-Other_uses-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">13</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" 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Available in 28 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-28" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">28 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/A2" title="A2 – Catalan" lang="ca" hreflang="ca" data-title="A2" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/A2" title="A2 – Czech" lang="cs" hreflang="cs" data-title="A2" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/A2" title="A2 – German" lang="de" hreflang="de" data-title="A2" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/A2" title="A2 – Estonian" lang="et" hreflang="et" data-title="A2" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/A2" title="A2 – Spanish" lang="es" hreflang="es" data-title="A2" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/A2" title="A2 – Esperanto" lang="eo" hreflang="eo" data-title="A2" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/A2" title="A2 – French" lang="fr" hreflang="fr" data-title="A2" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/A2" title="A2 – Korean" lang="ko" hreflang="ko" data-title="A2" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/A2" title="A2 – Croatian" lang="hr" hreflang="hr" data-title="A2" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/A2" title="A2 – Italian" lang="it" hreflang="it" data-title="A2" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/A2" title="A2 – Hebrew" lang="he" hreflang="he" data-title="A2" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/A2" title="A2 – Lithuanian" lang="lt" hreflang="lt" data-title="A2" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/A2" title="A2 – Dutch" lang="nl" hreflang="nl" data-title="A2" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/A2" title="A2 – Japanese" lang="ja" hreflang="ja" data-title="A2" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/A2" title="A2 – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="A2" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/A2" title="A2 – Polish" lang="pl" hreflang="pl" data-title="A2" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/A2" title="A2 – Portuguese" lang="pt" hreflang="pt" data-title="A2" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/A2" title="A2 – Russian" lang="ru" hreflang="ru" data-title="A2" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/A2" title="A2 – Slovak" lang="sk" hreflang="sk" data-title="A2" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/A2" title="A2 – Slovenian" lang="sl" hreflang="sl" data-title="A2" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/A2" title="A2 – Serbian" lang="sr" hreflang="sr" data-title="A2" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/A2" title="A2 – Serbo-Croatian" lang="sh" hreflang="sh" data-title="A2" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/A2" title="A2 – Finnish" lang="fi" hreflang="fi" data-title="A2" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/A2" title="A2 – Swedish" lang="sv" hreflang="sv" data-title="A2" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/A2" title="A2 – Turkish" lang="tr" hreflang="tr" data-title="A2" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%902" title="А2 – Ukrainian" lang="uk" hreflang="uk" data-title="А2" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/A2" title="A2 – Cantonese" lang="yue" hreflang="yue" data-title="A2" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/A2" title="A2 – Chinese" lang="zh" hreflang="zh" data-title="A2" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div 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.tocright-clear-none{clear:none}}</style><div class="tocright"><meta property="mw:PageProp/toc" /></div> <div class="mw-heading mw-heading2"><h2 id="Biology_and_medicine">Biology and medicine</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=1" title="Edit section: Biology and medicine"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/British_NVC_community_A2_(Lemna_minor_community)" class="mw-redirect" title="British NVC community A2 (Lemna minor community)">British NVC community A2 (Lemna minor community)</a>, a plant community</li> <li>A2, the second <a href="/wiki/Anal_vein" class="mw-redirect" title="Anal vein">anal vein</a> in the Comstock-Needham system of insect wing segment naming</li></ul> <div class="mw-heading mw-heading3"><h3 id="Genes_and_proteins">Genes and proteins</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=2" title="Edit section: Genes and proteins"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/A-box_2_of_insulin_gene" class="mw-redirect" title="A-box 2 of insulin gene">A-box 2 of insulin gene</a></li> <li><a href="/wiki/HLA-A2" class="mw-redirect" title="HLA-A2">HLA-A2</a>, a human MHC HLA-A serotype gene</li> <li><a href="/wiki/Ectodysplasin_A2_receptor" title="Ectodysplasin A2 receptor">Ectodysplasin A2 receptor</a>, a protein that in humans is encoded by the EDA2R gene</li> <li><a href="/wiki/Alpha-2_adrenergic_receptor" title="Alpha-2 adrenergic receptor">Alpha-2 adrenergic receptor</a></li> <li><a href="/wiki/Annexin_A2" title="Annexin A2">Annexin A2</a>, a protein</li> <li><a href="/wiki/Apolipoprotein_A-II" title="Apolipoprotein A-II">Apolipoprotein A-II</a>, a protein</li> <li><a href="/wiki/Phospholipase_A2" title="Phospholipase A2">Phospholipase A2</a>, an enzyme</li> <li><a href="/wiki/Prokaryotic_phospholipase_A2" title="Prokaryotic phospholipase A2">Prokaryotic phospholipase A2</a>, an enzyme</li> <li><a href="/wiki/Hemoglobin_A2" title="Hemoglobin A2">Hemoglobin A2</a>, a protein</li> <li><a href="/wiki/Proanthocyanidin_A2" class="mw-redirect" title="Proanthocyanidin A2">Proanthocyanidin A2</a>, an A type proanthocyanidin</li> <li><a href="/wiki/Urea_transporter_A2" class="mw-redirect" title="Urea transporter A2">Urea transporter A2</a>, a protein</li> <li>A2, a variant of blood groups alleles A in the <a href="/wiki/ABO_blood_group_system" title="ABO blood group system">ABO blood group system</a></li> <li>A2, a subfamily of <a href="/wiki/Rhodopsin-like_receptors" title="Rhodopsin-like receptors">rhodopsin-like receptors</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Medicine">Medicine</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=3" title="Edit section: Medicine"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/ATC_code_A02" title="ATC code A02">ATC code A02</a> <i>Drugs for acid related disorders</i>, a subgroup of the Anatomical Therapeutic Chemical Classification System</li> <li><a href="/wiki/Brachydactyly_type_A2" class="mw-redirect" title="Brachydactyly type A2">Brachydactyly type A2</a>, a disease</li> <li><a href="/wiki/Noradrenergic_cell_group_A2" title="Noradrenergic cell group A2">Noradrenergic cell group A2</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Computing">Computing</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=4" title="Edit section: Computing"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/A-2_(programming_language)" class="mw-redirect" title="A-2 (programming language)">A-2 (programming language)</a>, a follow-on to the A-0 System used on UNIVAC I</li> <li><a href="/wiki/A2_(operating_system)" title="A2 (operating system)">A2 (operating system)</a>, software to run a computer</li></ul> <div class="mw-heading mw-heading2"><h2 id="Electronics">Electronics</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=5" title="Edit section: Electronics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/DiMAGE_A2" class="mw-redirect" title="DiMAGE A2">DiMAGE A2</a>, a digital camera produced by Minolta</li> <li><a href="/wiki/IBM_A2" title="IBM A2">IBM A2</a>, an IBM processor used in its supercomputers</li> <li>Cowon A2, a portable multimedia player from <a href="/wiki/Cowon" title="Cowon">Cowon</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Gaming">Gaming</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=6" title="Edit section: Gaming"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><i><a href="/wiki/A2_Secret_of_the_Slavers_Stockade" class="mw-redirect" title="A2 Secret of the Slavers Stockade">A2 Secret of the Slavers Stockade</a></i>, a module in the <i>Scourge of the Slave Lords</i> series for <i>Dungeons &amp; Dragons</i></li> <li><i><a href="/wiki/Final_Fantasy_Tactics_A2:_Grimoire_of_the_Rift" title="Final Fantasy Tactics A2: Grimoire of the Rift">Final Fantasy Tactics A2: Grimoire of the Rift</a></i></li></ul> <div class="mw-heading mw-heading2"><h2 id="Language">Language</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=7" title="Edit section: Language"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Biu-Mandara_A.2_languages" class="mw-redirect" title="Biu-Mandara A.2 languages">Biu-Mandara A.2 languages</a>, an Afro-Asiatic family of languages spoken in Nigeria</li> <li>A2, a second language level in the <a href="/wiki/IB_Group_2_subjects" title="IB Group 2 subjects">IB Group 2 subjects</a></li> <li>A2, a level in the <a href="/wiki/Common_European_Framework_of_Reference_for_Languages" title="Common European Framework of Reference for Languages">Common European Framework of Reference for Languages</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Military">Military</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=8" title="Edit section: Military"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/A-2_jacket" title="A-2 jacket">A-2 jacket</a>, a leather flight jacket</li> <li>A2, the military staff designation in the <a href="/wiki/Staff_(military)#Continental_Staff_System" title="Staff (military)">continental staff system</a> for air force headquarters staff concerned with intelligence and security</li> <li>A 2, <a href="/wiki/G%C3%B6ta_Artillery_Regiment" title="Göta Artillery Regiment">Göta Artillery Regiment</a> designation, a former Swedish Army artillery regiment</li></ul> <div class="mw-heading mw-heading2"><h2 id="Music">Music</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=9" title="Edit section: Music"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/A_due" title="A due">A due</a>, a musical term often abbreviated to <i>a2</i></li> <li>A2, a rock band that performed the song "Chosen One" in the video game <i><a href="/wiki/Shadow_the_Hedgehog_(video_game)" title="Shadow the Hedgehog (video game)">Shadow the Hedgehog</a></i><sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2021)">citation needed</span></a></i>&#93;</sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Sport">Sport</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=10" title="Edit section: Sport"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/A2_(classification)" title="A2 (classification)">A2 (classification)</a>, an amputee sport classification</li> <li><a href="/wiki/HEBA_A2" class="mw-redirect" title="HEBA A2">HEBA A2</a>, a Greek basketball league</li> <li><a href="/wiki/A2_volleyball_league_(Portugal)" title="A2 volleyball league (Portugal)">A2 volleyball league (Portugal)</a></li> <li><a href="/wiki/A2_women%27s_volleyball_league_(Portugal)" title="A2 women&#39;s volleyball league (Portugal)">A2 women's volleyball league (Portugal)</a></li> <li>A2, an <a href="/wiki/Italian_Baseball_League" title="Italian Baseball League">Italian Baseball League</a></li> <li>A2, an <a href="/wiki/Italian_Volleyball_League" title="Italian Volleyball League">Italian Volleyball League</a></li> <li>A2, a <a href="/wiki/Grade_(climbing)" title="Grade (climbing)">grade in climbing</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Television">Television</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=11" title="Edit section: Television"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/A2_(remote_television_production)" class="mw-redirect" title="A2 (remote television production)">A2 (remote television production)</a>, a person who manages audio equipment</li> <li><a href="/wiki/A2_Stereo" class="mw-redirect" title="A2 Stereo">A2 Stereo</a> or <span title="German-language text"><i lang="de">Zweikanalton</i></span>, a television broadcasting system</li> <li>A2 Teema, a panel discussion episode of <i><a href="/wiki/Ajankohtainen_kakkonen" title="Ajankohtainen kakkonen">Ajankohtainen kakkonen</a></i>, a Finnish television series</li> <li>A2, common abbreviation of Antenne 2, former name (1975–1992) of French national television station <a href="/wiki/France_2" title="France 2">France 2</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Transportation">Transportation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=12" title="Edit section: Transportation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Air">Air</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=13" title="Edit section: Air"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/A-2_Savage" class="mw-redirect" title="A-2 Savage">A-2 Savage</a> or AJ Savage, an aircraft</li> <li><a href="/wiki/Abrial_A-2_Vautour" title="Abrial A-2 Vautour">Abrial A-2 Vautour</a>, a French sailplane built in 1925</li> <li><a href="/wiki/Antonov_A-2" title="Antonov A-2">Antonov A-2</a>, a Soviet glider</li> <li><a href="/wiki/Breda_A.2" title="Breda A.2">Breda A.2</a>, a 1921 Italian aircraft</li> <li><a href="/wiki/Fokker_A.II" class="mw-redirect" title="Fokker A.II">Fokker A.II</a>, a German aircraft</li> <li><a href="/wiki/Nikol_A-2" title="Nikol A-2">Nikol A-2</a>, 1939 a prototype of a Polish amphibious flying boat</li> <li><a href="/wiki/Pfalz_A.II" class="mw-redirect" title="Pfalz A.II">Pfalz A.II</a>, a German Idflieg A-class designation aircraft</li> <li><a href="/wiki/Reaction_Engines_A2" class="mw-redirect" title="Reaction Engines A2">Reaction Engines A2</a>, a design study for a hypersonic airliner under development</li> <li><a href="/wiki/Cielos_Airlines" title="Cielos Airlines">Cielos Airlines</a>'s IATA code</li> <li>A-2, United States Navy alphanumeric code for the <a href="/wiki/North_American_AJ_Savage" title="North American AJ Savage">North American AJ Savage</a> carrier-launched bomber</li> <li>A2, a Botswana <a href="/wiki/Aircraft_registration" title="Aircraft registration">aircraft registration</a> code</li></ul> <div class="mw-heading mw-heading3"><h3 id="Rail">Rail</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=14" title="Edit section: Rail"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Bavarian_A_II" title="Bavarian A II">Bavarian A II</a>, an 1847 German steam locomotive model</li> <li><a href="/wiki/LNER_Class_A2" title="LNER Class A2">LNER Class A2</a>, a class of steam locomotives</li> <li><a href="/wiki/LNER_Peppercorn_Class_A2" title="LNER Peppercorn Class A2">LNER Peppercorn Class A2</a>, a class of steam locomotives</li> <li><a href="/wiki/LNER_Thompson_Class_A2" title="LNER Thompson Class A2">LNER Thompson Class A2</a>, 3 classes of Pacific locomotives</li> <li><a href="/wiki/Milwaukee_Road_class_A2" title="Milwaukee Road class A2">Milwaukee Road class A2</a>, a 1901 4-4-2 type steam locomotive</li> <li><a href="/wiki/SP%26S_Class_A2" class="mw-redirect" title="SP&amp;S Class A2">SP&amp;S Class A2</a>, an 1887 steam locomotives class</li> <li><a href="/wiki/Victorian_Railways_A2_class" title="Victorian Railways A2 class">Victorian Railways A2 class</a>, a 1907 Australian steam locomotive</li> <li><a href="/w/index.php?title=PRR_A2&amp;action=edit&amp;redlink=1" class="new" title="PRR A2 (page does not exist)">PRR A2</a>, a <a href="/wiki/Pennsylvania_Railroad_locomotive_classification" title="Pennsylvania Railroad locomotive classification">Pennsylvania Railroad locomotive classification</a></li> <li><a href="/w/index.php?title=Prussian_A_2&amp;action=edit&amp;redlink=1" class="new" title="Prussian A 2 (page does not exist)">Prussian A 2</a>, a <a href="/wiki/List_of_Prussian_locomotives_and_railbuses" title="List of Prussian locomotives and railbuses">Prussian railbus model</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Road">Road</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=15" title="Edit section: Road"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_A2_roads" title="List of A2 roads">List of A2 roads</a></li> <li><a href="/wiki/Anadol_A2" class="mw-redirect" title="Anadol A2">Anadol A2</a>, a 1970 Turkish car</li> <li><a href="/wiki/Arrows_A2" title="Arrows A2">Arrows A2</a>, a 1979 British racing car</li> <li><a href="/wiki/Audi_A2" title="Audi A2">Audi A2</a>, a 1999 automobile</li> <li><a href="/wiki/Merzario_A2" class="mw-redirect" title="Merzario A2">Merzario A2</a>, see <a href="/wiki/Template:F1_cars_1979" title="Template:F1 cars 1979">template:F1 cars 1979</a></li> <li><a href="/wiki/Route_A2_(WMATA)" class="mw-redirect" title="Route A2 (WMATA)">Route A2 (WMATA)</a>, a bus route operated by the Washington Metropolitan Area Transit Authority</li> <li>Audi Quattro A2, a 1984 rally car evolution of the <a href="/wiki/Audi_Quattro" title="Audi Quattro">Audi Quattro</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Sea">Sea</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=16" title="Edit section: Sea"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/HMS_A2" title="HMS A2">HMS <i>A2</i></a>, a Royal Navy A-class submarine</li> <li><a href="/wiki/Type_A2_submarine" class="mw-redirect" title="Type A2 submarine">Type A2 submarine</a>, a submarine of the Imperial Japanese Navy during World War II</li> <li><a href="/wiki/T2-SE-A2" class="mw-redirect" title="T2-SE-A2">T2-SE-A2</a>, a type of oil tanker constructed and produced in large quantities in the United States during World War II</li> <li><a href="/wiki/GMDSS#Sea_Area_A2" class="mw-redirect" title="GMDSS">Sea Area A2</a>, as defined under the GMDSS system</li></ul> <div class="mw-heading mw-heading3"><h3 id="Space">Space</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=17" title="Edit section: Space"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Saturn_A-2" title="Saturn A-2">Saturn A-2</a>, a 1959 American rocket</li> <li><a href="/wiki/A-002" title="A-002">A-002</a>, the third abort test of the Apollo spacecraft</li> <li><a href="/wiki/Aussat_(Optus)_A2" class="mw-redirect" title="Aussat (Optus) A2">Aussat (Optus) A2</a>, a 1985 Australian satellite</li></ul> <div class="mw-heading mw-heading3"><h3 id="Tanks">Tanks</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=18" title="Edit section: Tanks"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>M1A2, a version of the American <a href="/wiki/M1_Abrams" title="M1 Abrams">M1 Abrams</a> tank</li> <li>M60A2, a version of the American <a href="/wiki/M60_Patton" class="mw-redirect" title="M60 Patton">M60 Patton</a> tank</li></ul> <div class="mw-heading mw-heading2"><h2 id="Weapons">Weapons</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=19" title="Edit section: Weapons"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/A2_(rocket)" class="mw-redirect" title="A2 (rocket)">A2 (rocket)</a>, a German rocket design (1934)</li> <li><a href="/wiki/AUG_A2_Commando" class="mw-redirect" title="AUG A2 Commando">AUG A2 Commando</a>, a variant of the Austrian Steyr AUG rifle</li> <li><a href="/wiki/M16A2_rifle" class="mw-redirect" title="M16A2 rifle">M16A2 rifle</a>, a variant of the M16 rifle of the United States Army</li> <li>AR-15A2, a variant of the <a href="/wiki/Colt_AR-15" title="Colt AR-15">Colt AR-15</a> rifle</li> <li>M16A2 mine, a variant of the <a href="/wiki/M16_mine" title="M16 mine">M16 mine</a> of the United States Army</li> <li>Polaris A-2, a variant of the <a href="/wiki/Polaris_missile" class="mw-redirect" title="Polaris missile">Polaris missile</a> of the United States Navy</li></ul> <div class="mw-heading mw-heading2"><h2 id="Other_uses">Other uses</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=20" title="Edit section: Other uses"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/A2_(theater)" title="A2 (theater)">A2 (theater)</a>, a person who manages audio equipment</li> <li><a href="/wiki/DIN4102_A2" class="mw-redirect" title="DIN4102 A2">DIN4102 A2</a>, a flammability rating for materials ~98% noncombustible</li> <li><a href="/wiki/A2-level" class="mw-redirect" title="A2-level">A2-level</a>, an education qualification in England, Wales and Northern Ireland</li> <li><a href="/wiki/A2_milk" title="A2 milk">A2 milk</a>, a trademark of the A2 Corporation</li> <li><a href="/wiki/Radio_Station_A2" class="mw-redirect" title="Radio Station A2">Radio Station A2</a>, a radio station in Lithuania</li> <li><a href="/wiki/A-2_tool_steel" class="mw-redirect" title="A-2 tool steel">A-2 tool steel</a>, an air-hardening SAE grade of tool steel</li> <li><a href="/wiki/A-2_visa" class="mw-redirect" title="A-2 visa">A-2 visa</a>, a document given to officials representing a foreign government inside the United States of America</li> <li><a href="/wiki/Agence_de_l%27innovation_industrielle" title="Agence de l&#39;innovation industrielle">Agence de l'innovation industrielle</a> (AII), a French governmental agency for technological projects</li> <li><a href="/wiki/Ann_Arbor,_Michigan" title="Ann Arbor, Michigan">Ann Arbor, Michigan</a>, often referred to as A2 or A<sup>2</sup></li> <li><a href="/wiki/Bird%27s_Opening" title="Bird&#39;s Opening">Bird's Opening</a>'s Encyclopaedia of Chess Openings code</li> <li>A2, an <a href="/wiki/Paper_size#A_series" title="Paper size">international standard paper size</a></li> <li>A2 or SAE 304, a grade of <a href="/wiki/Stainless_steel" title="Stainless steel">stainless steel</a> for fasteners</li> <li>A2, a UK <a href="/wiki/Town_and_Country_Planning_(Use_Classes)_Order_1987" title="Town and Country Planning (Use Classes) Order 1987">Town and Country Planning use class</a></li> <li><i>A II</i>, a painting by <a href="/wiki/L%C3%A1szl%C3%B3_Moholy-Nagy" title="László Moholy-Nagy">László Moholy-Nagy</a>, painted in 1924</li> <li>Sea Area A2, a <a href="/wiki/GMDSS#Sea_Area_A2" class="mw-redirect" title="GMDSS">GMDSS system area</a></li> <li>YoRHa Type A No. 2, or A2, a character from the video game <i><a href="/wiki/Nier:_Automata" title="Nier: Automata">Nier: Automata</a></i></li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=A2&amp;action=edit&amp;section=21" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output 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