


“This mission marks our 91 st launch in support of national security space. We are launching critical capabilities for the warfighter and understand the need for reliability and consistency,” said Gary Wentz, ULA vice president of Government and Commercial Programs. “We take our role in national security very seriously and pride ourselves in being partners in space with the U.S. Launch was set for 17 May but was scrubbed during Centaur liquid oxygen (LOX) chilldown operations when the launch team identified an anomalous system response that could not be resolved in time. The mission will also mark the 91st national security launch for ULA, and their 87th Atlas V flight. EDT on Tuesday, 18 May, and will mark the eighth flight of an Atlas V in a “421” configuration, equipped with a 13-foot-wide (4-meter) fairing, two strap-on solid-fueled boosters and a single-engine Centaur upper stage. Liftoff of the 194-foot tall rocket is targeted for 1:31 p.m. It has been a slow start this year for United Launch Alliance, but that’s about to change tomorrow, as they kick-off their first of 8 planned Atlas V launches this year with a mission to deliver the fifth geostationary-orbiting element of the Space-Based Infrared System (SBIRS GEO-5) into orbit for the U.S. Space Force at 1:31m ET on from Cape Canaveral, FL. ULA’s Atlas V in a ‘421’ configuration ready to launch the SBIRS GEO Flight 5 mission to orbit for the U.S.
