A U.S. Navy Sikorsky SH-3A <i>Sea King</i> (BuNo 149698) of Helicopter Anti-Submarine Squadron 6 (HS-6) "Indians" delivers mail to an <i>Allen M. Sumner</i>-class destroyer, in the mid- to late 1960s. HS-6 was assigned to Carrier Anti-Submarine Air Group 53 (CVSG-53) abaord the aircraft carrier USS <i>Kearsarge</i> (CVS-33), visible in the background. Note the dark paint of the helicopter, used for search-and-rescue operations in Vietnam.
U.S. Navy
<a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/department_arch.html">U.S. Navy All Hands magazine</a> <a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/archpdf/ah197502.pdf">February 1975</a>, p. 28.