sentences:  Gen. Jimmy Doolittle then talks about his experiences flying the Gee Bee R-1 when he won the Thompson Trophy in 1935.During World War II, speed increased sequentially in military aircraft, but the desperately brilliant developments of Germany for air defence justifiably deserve special mention - Hanna Reitsch describes the volcanic power and acceleration of the Messerschmitt Me 163 Komet rocket-fighter.Brig.