In <a href="https://en.wikipedia.org/wiki/Operation_Redwing" id="mwASg" rel="mw:WikiLink" title="Operation Redwing">Operation Redwing</a>, the first United States airborne <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Hydrogen_bomb" id="mwASk" rel="mw:WikiLink" title="Hydrogen bomb">hydrogen bomb</a> is dropped over <a href="https://en.wikipedia.org/wiki/Bikini_Atoll" id="mwASo" rel="mw:WikiLink" title="Bikini Atoll">Bikini Atoll</a> in the Pacific Ocean.