Lot No. 432
| Auction No. | 31 |
| Category |
Space Thematics Miscellaneous |
| Est. | $50 |
| Status | SOLD $55 |
1975 (9th Sept) X-24B Flight B-29-42 illust commem cover pmkd Edwards, Ca & signed by Bill Dana, an American aeronautical engineer, U.S.A.F. pilot, NASA test pilot & astronaut. He was one of twelve pilots who flew the North American X-15, an experimental spaceplane jointly operated by the Air Force & NASA & on two separate flights flew this to an altitude above 50 miles, thereby qualifying as an astronaut according to the United States definition of the boundary of space. On two separate flights, Dana flew the X-15 to an altitude above 50 miles, thereby qualifying as an astronaut according to the United States definition of the boundary of space