Air Force Capt. Jerauld Gentry, shown in this photo with the M2-F2, made a total of 30 lifting-body flights in 5 different vehicles--the M2-F1 (2 flights), M2-F2 (5 flights), M2-F3 (1 flight), HL-10 (9 flights), and X-24A (13 flights). While 3 other pilots had more total flights (Milt Thompson with 51, John Manke with 42, and Bill Dana with 31), Gentry was the only lifting-body pilot to fly 5 different vehicles in the program.