A patient on a stretcher is taken from a Sikorsky HUS-1 aboard the U.S. Navy amphibious assault ship USS <i>Princeton</i> (LPH-5), in 1960. Note that tail code "WW" on the helicopter of Headquarters Squadron, Marine Air Group 16 (HEDRON-16).
U.S. Navy
U.S. Navy photo <a rel="nofollow" class="external autonumber" href="https://www.navysite.de/cruisebooks/lph5-60/078.htm">[1]</a> from the <a rel="nofollow" class="external text" href="https://www.navysite.de/cruisebooks/lph5-60/index_002.htm">USS <i>Princeton</i> (LPH-5) 1960 cruise book</a> available at <a rel="nofollow" class="external text" href="http://navysite.de/cruisebooks/index.html">Navysite.de</a>