NWOT This boots were used by US astronauts. Excellent boots, this are custom boots. The size of the boots are 10 US Boots are new without a box. Right Boot has a scratch. This style was designed by Dehner’s D.D. Ketzler for Air Force General Curtis LeMay. The General, then Commander of the Strategic Air Command in Omaha, wanted a boot the Alert crews could get on easily and quickly. The crews would sleep in the jump suits, the general told him, but not their boots. This style was also the basis for the first space boots ordered by NASA in 1962. With slight alterations, these boots were used on the first three manned space flights.