UFO 4 (USA-108)

Launch Success

Liftoff Time (GMT)

01:25:00

Sunday January 29, 1995

Watch Replay

24/7 Coverage

Mission Details

UFO 4 (USA-108)

The U.S. Navy began replacing and upgrading its ultra-high frequency (UHF) satellite communications network during the 1990s with a constellation of customized satellites built by Hughes Space and Communications Company. Known as the UFO (Ultra High Frequency Follow On) series, these HS-601 model satellites support the Navy's global communications network, serving ships at sea and a variety of other U.S. military fixed and mobile terminals. They are compatible with ground- and sea-based terminals already in service. The UHF Follow-On satellites replace the Fleet Satellite Communications (FLTSATCOM) and the Hughes-built Leasat spacecraft.

Geostationary Transfer Orbit

1 Payload

Rocket

Retired
Atlas II

Active 1991 to 1998

Lockheed Martin logo

Agency

Lockheed

Rocket

Height: 47.5m

Payload to Orbit

LEO: 6,580 kg

GTO: 2,810 kg

Liftoff Thrust

2,479 Kilonewtons

Stages

2

Launch Site

SLC-36A

Cape Canaveral SFS, Florida, USA

Fastest Turnaround

46 days 2 hours

Stats

Atlas II


12th

Mission

2nd

Mission of 1995

1995


5th

Orbital launch attempt