Boeing said its second X-37B Orbital Test Vehicle (OTV) for the US Air Force Rapid Capabilities Office has successfully de-orbited and landed at Vandenberg Air Force Base in California yesterday, concluding a 469-day experimental test mission.
It was launched from Cape Canaveral Air Force Station, Florida, on March 5, 2011.
"We congratulate the Air Force Rapid Capabilities Office and the 30th Space Wing at Vandenberg Air Force Base on this second successful mission,
