By Kevin Huang

American manned spaceplane used for hypersonic research. Conducted tests for ballistic flight, winged reentry, and gliding recovery. The X-15 was intended to evolve to a manned orbital spacecraft until the urgent need for the Mercury and Gemini programs surfaced. Research from the X-15 eventually led to the techniques used by the Space Shuttle.

Titan IIIC

by Kevin Huang

USAF expendable launch vehicle used from 1965 until 1982. First Titan family rocket to use large solid rocket motors. Intended for launch of the Dyna-Soar (cancelled) but primarily launched DoD payloads.