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United States Air ForceLaunch SuccessfulTest FlightAtlas SLV-3
Launched 1967-04-20 01:35:01 UTCSpace Launch Complex 3E, Vandenberg SFB, CA, USA
Success
Reached Suborbital
United States Air Force
18th
launch this year
Space Launch Complex 3E
2nd
launch from this pad this year
Pad turnaround
45 d 2 h
since the pad's previous launch
The Martin X-23 PRIME (Precision Recovery Including Maneuvering Entry) was a small uncrewed lifting body re-entry vehicle tested by the United States Air Force in the late 1960s. PRIME 3 mission was flown on 19 April 1967 and simulated reentry from low-earth orbit with a 1143 km cross-range. This time, all systems performed perfectly, and the X-23 was successfully recovered.

Launch Provider
Government · United States of America · Founded 1947 · Commander-in-Chief President of the US
The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal Corps, the USAF was established as a separate branch of the United States Armed Forces in 1947 with the enactment of the National Security Act of 1947.
Launches
1,078
Successful
972
90%
Upcoming
0
scheduled
Height
21m
Diameter
3m
To low Earth orbit
800kg
Liftoff thrust
3,824kN
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