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VANDENBERG AFB, Calif. — The Air Force’s unmanned, reusable space plane landed in the early morning of June 16 at Vandenberg Air Force Base, Calif., a successful conclusion to a record-setting test-flight mission that began March 5 from Cape Canaveral Air Force Station, Fla.
The X-37B Orbital Test Vehicle, one of two such vehicles, spent 469 days in orbit to conduct on-orbit experiments, primarily checkout of the vehicle itself.
“The vehicle was designed for a mission duration of about 270 days,” said Lt. Col. Tom McIntyre, the X-37B program manager. “We knew from post-flight assessments from the first mission that OTV-1 could have stayed in orbit longer. So one of the goals of this mission was to see how much farther we could push the on-orbit duration.”
Managed by the Air Force Rapid Capabilities Office, the X-37B program performs risk reduction, experimentation, and concept of operations development for reusable space vehicle technologies. The X-37B mission is the longest space mission only after the NASA Discovery shuttle program.
The 11,000-pound state-of-the-art vehicle, which is about a fourth the size of the shuttle, allows space technology experts to continue sending up experiments, with results returning safely to Earth for study.
“With the ...