Southwestern US, with Las Vegas, NV in foreground, taken by X-15 Hycon HR-236 Camera during flt. 2-39-70 on June 27, 1965

Southwestern US, with Las Vegas, NV in foreground, taken by X-15 Hycon HR-236 Camera during flt. 2-39-70 on June 27, 1965.

Southwestern US, with Las Vegas, NV in foreground, taken by X-15 Hycon HR-236 Camera during flt. 2-39-70 on June 27, 1965.

Photographer NASA
Location AFRC
X-15rocket-powered research aircraftNorth American AviationXLR-99 rocket engineThiokol Chemical Corp high-speed high-altitude flightB-52 air launch4520 mphMach 6 70354200 ft altitude 67 miles altitude flight controlsreaction controlsMercury programGemini programApollo programSpace Shuttlehypersonic flightSouthwestern USLas VegasNVHycon HR-236 Cameraflt 2-39-70