July 13, 1952

Two Air Force crews-Capts. Vincent McGovern and Harry C. Jeffers and Capt. George O. Hembrick and Lt. Harold Moore-flying two Sikorsky H-19 helicopters named Hopalong and Whirl o Way, make the first crossing of the Atlantic by helicopter. The crews fly from Westover AFB, Mass., to Prestwick, Scotland, in five stages, covering 3,535 miles in 42 hours and 25 minutes of flight time.