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Chalet ELINT Satellite Launches
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Site |
Vehicle |
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06/10/78
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Chalet 1
|
Cape Canaveral
|
Titan 3C
|
820 kg.
|
29,929 km.
|
42,039 km.
|
12.0 deg.
|
|
10/01/79
|
Chalet 2
|
Cape Canaveral
|
Titan 3C
|
820 kg
|
30,443 km
|
41,497 km.
|
7.5 deg
|
|
10/31/81
|
Chalet 3
|
Cape Canaveral
|
Titan 3C
|
820 kg
|
134 km
|
382 km.
|
29.3 deg
|
|
01/31/84
|
Chalet 4
|
Cape Canaveral
|
Titan 34D
|
1,043 kg
|
146 km
|
1,023 km.
|
29.4 deg
|
|
09/02/88
|
USA 31
|
Cape Canaveral
|
Titan 34D
|
1,045 kg
|
151 km
|
14,103 km
|
29.3 deg
|
|
05/19/89
|
USA 37
|
Cape Canaveral
|
Titan 34D
|
1,045 kg
|
455 km
|
40,073 km.
|
27.5 deg
|
6/10/78: First launch of the heavier, more advanced CHALET ELINT satellites. (the project was renamed VORTEX when the code name CHALET appeared in the New York Times).
9/2/88: FAILURE: Broken Transtage pressurization feed lines prevented the geosynchronous orbit apogee burn from taking place, Satellite in lower than required orbit.