The OME is a refurbished Space Shuttle Orbital Maneuvering System (OMS) engine, which were used in pairs on the Shuttle Orbiters. The PQM was delivered to the 300 area at White Sands in early 2017 ...

Hot-fires resume with critical tests to ship ESM After a year’s downtime, PQM testing resumed with a five-second firing of the test module’s Orbital Maneuvering System engine (OMS-E ...