People 20 Weird Historical Photos That Will Make Your Jaw Drop A.C. 0 Original caption: Ivan Unger, a member of the “Flying Black Nats” and Gladys Roy are shown playing tennis on the wings of an airplane in flight. Bettmann / Getty Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 <1 ... 56 7 89 ... 20>