DSP F12

USA

Spacecraft n°:

USA satellite n°:

Also known as IMEWS-12 and USA 007

Launch data:

Designation	15453 / 84129A
Launch date	22 Dec 1984
Launch site	CC, LC-40
Launch vehicle	Titan-34D Transtage (#142)
Mission	Military: early warning
Geostationary orbit on:
Perigee / Apogee	km
Inclination	°
Period	min

Was actually a refitted satellite (6R)? It could monitor a second band in IR very useful to detect ICBM firing above the North Pole.

Became operational in May 1985 (tested over the Pacific Ocean).

Ref: #15, #78a - update:7.09.02