Vandenberg Air Force Base, Calif., USA - October 17, 2014 - The Boeing (NYSE: BA) -built X-37B Orbital Test Vehicle (OTV) successfully de-orbited and landed today at Vandenberg Air Force Base at 9:24 a.m. PDT, concluding a 674-day experimental test mission for the U.S. Air Force Rapid Capabilities Office. The X-37B was launched from Cape Canaveral Air Force Station, Fla., on Dec. 11, 2012. The first OTV mission began April 22, 2010, and concluded on Dec. 3, 2010, after 224 days in orbit. The second OTV mission began March 5, 2011, and concluded on June 16, 2012, after 468 days on orbit. The X-37B program is demonstrating a reliable, reusable unmanned space test platform for the Air Force. Its objectives include space experimentation, risk reduction and concept-of-operations development for reusable space vehicle technologies that could become key enablers for future space missions.