Senior Airman Chase Hoyt and Airman 1st Class William McQuillan conduct an inventory of a Mobility Readiness Spares Package Feb. 8, 2012, at Joint Base Charleston. MRSPs are air transportable packages of repair parts and related maintenance supplies required to sustain a C-17 Globemaster III aircraft for a specified period of planned wartime or contingency operations. Hoyt and McQuillan are from the 628th Logistics Readiness Squadron MRSP section. (U.S. Air Force Photo/Senior Airman Anthony Hyatt)