The engine of a U.S. Navy A-4C "Skyhawk" (BuNo 147710) from Anti-Submarine Fighter Squadron 1 (VSF-1) Det.10 "War Eagles" is started with a pneumatic starter aboard the aircraft carrier USS "Yorktown" (CVS-10). VSF-1 Det.10 was assigned to Carrier Anti-Submarine Air Group 56 (CVSG-56) aboard the "Yorktown" for a deployment to the North Atlantic from 2 September to 11 December 1969.