Airman 1st Class Anthony White, left, and Senior Airman Mark McCormick, 341st Missile Maintenance Squadron survivable systems team members, perform maintenance on a launch control center blast door Oct. 29, 2019, at a Missile Alert Facility near Malmstrom Air Force Base, Mont. The SST’s primary task is to perform LCC maintenance, including the blast door. (U.S. Air Force photo by Airman 1st Class Jacob M. Thompson)