airboyd.tv Courtesy Department Of Defense The 45th Space Wing is set to launch an Atlas V Evolved Expendable Launch Vehicle from Space Launch Complex 41 on April 22, 2010. The rocket will carry the Air Force's first X-37B Orbital Test Vehicle (OTV). The launch window for this mission is 7:51-8:02 pm The Boeing X-37 Advanced Technology Demonstrator is an unpiloted demonstration spaceplane that is intended to test future launch technologies while in orbit and during atmospheric reentry. It is a reusable robotic spacecraft that is a 120 percentscaled derivative of the X-40A. The X-37 had its first flight as a drop test on April 7, 2006 at Edwards AFB. The spacecraft will be launched as a United States Air Force mission, rather than a NASA mission, in April 2010.