US Air Force (USAF) STAFF Sergeant (SSGT) Renate Bullock (left) and USAF SSGT Lamar Anderson, 157th Aircraft Maintenance Unit (AMU) pull aircraft parts from their unit's Mobility Readiness Spares Package (MRSP). They are responsible for issuing and maintaining parts and supplies needed to maintain their units aircraft. The 157th AMU is assigned to the 379th Air Expeditionary Wing (AEW). The 379th AEW is a forward-deployed unit in Southwest Asia, supporting Operation ENDURING FREEDOM. Members of the 157th AMU deployed from the South Carolina Air National Guard (SCANG) assigned to the 169th Fighter Wing (FW)