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Class: SIGINT. Destination: Molniya Orbit. Nation: USA. Agency: U.S. Air Force. Trumpet signals intelligence satellites were equipped with a large deployable mesh antenna, and were designed to monitor Soviet communications and missile tests. They were placed into Molniya-type orbits. The structural limitation of the Centaur upper stage implies their mass was limited to 5200 kg, although the theoretical payload of the Titan IV launch vehicle into a Molniya-type orbit was more like 8,000 kg. Typical orbit: 872 x 26198 km, 60.8 deg inclinaton. Associated Launch Vehicle: Titan 4. Trumpet Chronology
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