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United States Air ForceLaunch SuccessfulEarth ScienceThor Delta E1
Launched 1969-01-30 06:46 UTCSpace Launch Complex 2E, Vandenberg SFB, CA, USA
Success
Reached Elliptical Orbit
Worldwide
11th
orbital launch attempt in 1969
United States Air Force
3rd
launch this year
Space Launch Complex 2E
1st
launch from this pad this year
Pad turnaround
45 d 13 h
since the pad's previous launch
ISIS 1 (International Satellite for Ionosphere Studies) was an ionospheric observatory instrumented with sweep- and fixed-frequency ionosondes, a VLF receiver, energetic and soft particle detectors, an ion mass spectrometer, an electrostatic probe, an electrostatic analyzer, a beacon transmitter, and a cosmic noise experiment.
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
28m
Diameter
2.4m
To low Earth orbit
540kg
Liftoff thrust
1,450kN
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