CAMP FOSTER, OKINAWA, Japan ESouth Vietnamese UH-1H being pushed overboard to make room for a Cessna O-1 landing. Operation Frequent Wind, the final operation in Saigon, began April 29, 1975. During a nearly constant barrage of explosions, the Marines loaded American and Vietnamese civilians, who feared for their lives, onto helicopters that brought them to waiting aircraft carriers. The Navy vessels brought them to the Philippines and eventually to Camp Pendleton, Calif. (Official U.S. Navy photo) (released)