The 1st Air and Space Test Squadron successfully demonstrated the capability to offload solid rocket motors using mobile rental cranes 28 March, 2019, at Vandenberg Air Force Base, Calif. The 1st ASTS space maintenance technicians, along with Northrup Grumman members and their Space and Missile Systems Center counterparts at Kirtland Air Force Base, N.M., brought great credit to their field as they lifted a 138,000 pound inert Peacekeeper rocket motor safely onto a tractor trailer.