Record
The NF-104A reaches 120,800 ft, an unofficial altitude record
December 6, 1963
Major Robert W. Smith flew NF-104A 56-0756, a rocket-boosted Starfighter used for astronaut training, to 120,800 ft (36,800 m) over Edwards AFB, beating his own unofficial mark of 118,860 ft set on 15 November.