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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 XTE (X-Ray Timing Explorer), renamed on orbit RXTE (Rossi X-Ray Timing Explorer) mission has the primary objective to study the temporal and broad-band spectral phenomena associated with stellar and galactic systems containing compact objects in the energy range 2--200 keV and in time scales from microseconds to years.
Height 38.70 Meters
Max Stages 2
Mass To GTO 1828 kg
Liftoff Thrust 0 kN
Diameter 2.40 Meters
Mass To LEO 5959 kg
Liftoff Mass 251 Tonnes
Launch Success 9
Consecutive Success 9
Maiden Flight 1995-11-04
Launch Failures 0