<a href="https://en.wikipedia.org/wiki/Vietnam_War" id="mwAQE" rel="mw:WikiLink" title="Vietnam War">Vietnam War</a>: The <a href="https://en.wikipedia.org/wiki/United_States_Air_Force" id="mwAQI" rel="mw:WikiLink" title="United States Air Force">United States Air Force</a> uses <a href="https://en.wikipedia.org/wiki/Boeing_B-52_Stratofortress" id="mwAQM" rel="mw:WikiLink" title="Boeing B-52 Stratofortress">B-52 bombers</a> to <a href="https://en.wikipedia.org/wiki/Operation_Arc_Light" id="mwAQQ" rel="mw:WikiLink" title="Operation Arc Light">attack guerrilla fighters</a> in <a href="https://en.wikipedia.org/wiki/South_Vietnam" id="mwAQU" rel="mw:WikiLink" title="South Vietnam">South Vietnam</a>.