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The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal Corps, the USAF was established as a separate branch of the United States Armed Forces in 1947 with the enactment of the National Security Act of 1947.
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.
Height 47.54 Meters
Max Stages 3
Mass To GTO 2810 kg
Liftoff Thrust 2479 kN
Diameter 3.04 Meters
Mass To LEO 6580 kg
Liftoff Mass 204 Tonnes
Launch Success 10
Consecutive Success 10
Maiden Flight 1991-12-07
Launch Failures 0