|
Delta II at Complex 17, pad A |
 |
|
It is October 1, 1990, and a Delta II (specifically, a Delta 6925), awaits
launch at Complex 17, pad A. This Delta II carries as payload a GPS Block II
satellite: Navstar BII-09. This is part of the operational GPS II Global
Positioning System constellation.
The Delta II is manufactured by Boeing, and has been in use since 1989. The
first Delta II was launched on February 14, 1989, and carried a GPS II satellite
into orbit. In fact, the Delta II was the launch vehicle for the entire
constellation of GPS II satellites.
| Delta II specifications
and performance |
| Length |
130 ft. |
Diameter |
8 ft. |
| Stage |
Stage name |
Engine(s) |
Propellant(s) |
Thrust |
| 0 |
Castor 4A |
9 Alliant Techsystems TX-780 |
Solid |
766,015 lbs. |
| 1 |
Delta Thor XLT |
1 Rocketdyne RS-27A |
LOX, RP-1 |
234,000 lbs. |
| 2 |
Delta K |
1 Aerojet AJ10-118K |
N2O4, Aerozine-50 |
9,810 lbs. |
| 3 |
PAM-D |
1 Thiokol STAR 48 |
Solid |
18,500 lbs. |
|
|
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