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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 ESSA series was the second generation of US meterological satellites after the TIROS (Television & Infra-Red Observation Satellite) series. They were also called OT (Operational TIROS), TOS (TIROS Operational Satellite).
Height 31.00 Meters
Max Stages 3
Mass To GTO 150 kg
Liftoff Thrust 1452 kN
Diameter 2.44 Meters
Mass To LEO 540 kg
Liftoff Mass 69 Tonnes
Launch Success 6
Consecutive Success 6
Maiden Flight 1965-11-06
Launch Failures 0