Between 1908 and 1942 the U.S. Army had a program to operate airships, with few exceptions, they were blimps, the other three were semi-rigid airships.
With few exceptions, they were blimps, the other three were semi-rigid airships. Between 1908 and 1942 the U.S. Army had a program to operate airships.
Between 1908 and 1942 the U.S. Army had a program to operate airships. With few exceptions, they were blimps, the other three were semi-rigid airships.
Between 1908 and 1942 the U.S. Army had a program to operate airships. With few exceptions, they were blimps, the other three were semi-rigid airships.