Tech. Sgt. Alex Brown, 914th Maintenance Squadron propulsion specialist prepares to raise a KC-135R tanker aircraft engine into position on the wing at Niagara Falls Air Reserve Station, N.Y. on July 7, 2020. Brown was part of a team of maintenance professionals installing one of the four main engines on the Stratotanker during the unit’s first engine replacement. (U.S. Air Force photo by Peter Borys)