Air Force and industry personnel are slated to launch today from Vandenberg AFB, Calif., Orbital Sciences Corp.’s first Minotaur IV—an amalgam of three decommissioned Peacekeeper ICBM stages and one built commercially by OSC—in its “Lite” configuration with only the three Peacekeeper stages to boost DARPA’s new gliding air vehicle, known as HTV-2 for hypersonic test vehicle-2. Lockheed Martin designed HTV-2 for DARPA to validate technologies needed for hypersonic speeds of Mach 20 and above. DARPA expects the first HTV-2 to separate from the Minotaur in the upper atmosphere, descend into the atmosphere, and glide across the Pacific Ocean at more than 13,000 mph, reaching its impact point in the ocean north of the Kwajalein Atoll in less than 30 minutes. (Air Force Space and Missile Systems Center release; OSC product page; DARPA HTV-2 fact sheet; HTV-2 FAQ)
Members of the House Armed Services Committee say the AIM-260 Joint Advanced Tactical Missile program has been set back three months due to the ongoing government shutdown. The comment is noteworthy because the JATM's status has been kept tightly under wraps.

