Tag: AEHF
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Launch timeline for Atlas 5’s AEHF 4 mission
A United Launch Atlas 5 rocket is set to launch the U.S. Air Force’s fourth Advanced Extremely High Frequency communications satellite from Cape Canaveral. This timeline shows the major mission events planned over a three-and-a-half-hour flight to an optimized geostationary transfer orbit. The 197-foot-tall (60-meter) rocket, propelled by an RD-180 main engine and five solid…
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Photos: Atlas 5 rocket transferred to launch pad in Florida
EDITOR’S NOTE: Updated with rollout photos. The Atlas 5 rocket set for launch with the U.S. Air Force’s fourth AEHF communications satellite. Credit: United Launch Alliance A day-and-a-half before its liftoff with a U.S. Air Force communications satellite, a United Launch Alliance Atlas 5 rocket rolled out to its launch pad at Cape Canaveral on…
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Air Force releases new target dates for upcoming military launches
File photo of a Delta 4-Heavy rocket on its launch pad at Vandenberg Air Force Base, California. Credit: United Launch Alliance Managers have pushed back the next flight of United Launch Alliance’s Delta 4-Heavy rocket from a launch pad in California until no sooner than early December, and the first launch of SpaceX’s Falcon Heavy…
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MEV to the rescue – Hope for crippled satellites
ATK and ViviSat are working to demonstrate the ability to rescue satellites that are stranded in space after they run out of maneuvering fuel. The vision involves sending the Mission Extension Vehicle (MEV) to their aid, providing propulsion and attitude control systems, allowing the satellite to live on. MEV: Satellite rescue isn’t a new concept,…
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AEHF-2 handed over to the USAF after completing on-orbit testing
Lockheed Martin have completed the on-orbit testing of the second Advanced Extremely High Frequency (AEHF) military communications satellite, allowing for Satellite Control Authority (SCA) to be turned over to the US Air Force (USAF) team at Vandenberg Air Force Base in California for its operation role. Happy AEHF-2: AEHF-2 was launched on May 4, by…