WGS F4 (USA 233)

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WGS F4 (USA 233) is classified as:

NORAD ID: 38070

Int'l Code: 2012-003A

Perigee: 35,790.7 km

Apogee: 35,798.6 km

Inclination: 0.0 °

Period: 1,436.1 minutes

Semi major axis: 42165 km

RCS: Unknown

Launch date: January 20, 2012
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

WGS F4 is an Air Force satellite headed for service over the Middle East to route essential communications to U.S. military forces and improve data links to unmanned aerial drones. Dropped off into a highly-elliptical, preliminary orbit by the Delta 4 rocket, the satellite's conventional bi-propellant chemical main engine will execute four apogee and four perigee firings through early February before beginning 40 days of final orbit circularization maneuvers with its xenon-ion propulsion thrusters to reach geosynchronous perch 22,300 miles (35,888 km) above Earth in March. The Air Force says it plans to put this WGS 4 spacecraft's coverage footprint over the Middle East and Southeast Asia for use by U.S. Central Command and U.S. Pacific Command. Once slid into its orbital home high above the Indian Ocean, the satellite will join the expanding fleet of Wideband Global SATCOM communications satellites that form the Pentagon's worldwide communications backbone across all branches of the military. The craft's communications package provides shaped, steerable spotbeams of bandwidth wherever requested across its field-of-view for Ka- and X-band frequencies, plus the onboard capability to switch signals from one band to the other.