March 8, 2007. Air Force's Space Test Program-1 mission. AV-013 (SPT-1) Launch; March 8, 2007. Air Force's Space Test Program-1 mission; Orbital Express in-space refueling demonstration mission consisting of the Autonomous Space Transfer and Robotic Orbiter, or ASTRO, prototype servicing satellite and the NextSat serviceable spacecraft. Atlas deployed four auxiliary satellites from the Evolved Expendable Launch Vehicle Secondary Payload Adapter, or ESPA ring, including MidSTAR 1, FalconSat 3, STPSat 1 and CFESat. The rocket flew in the 401 vehicle configuration with a four-meter fairing, no solid rocket boosters and a single-engine Centaur upper stage. ©2007 United Launch Alliance, LLC. All Rights Reserved. Posted with permission.