85th APS members practice for ORI
As smoke canisters explode, members of the 85th Aerial Port Squadron take cover at Volk Field, Wisc., during a practice for the unit's upcoming Operational Readiness Inspection. The 85th APS is the 439th Airlift Wing's geographically separated unit located at Hanscom Air Force Base, Mass. (US Air Force photo/Capt. Rebecca Boothby)