GRISSOM AIR RESERVE BASE, Ind., -- Blair Jeffers, left, a civilian employee with the 434th Services Flight lodging office, instructs Tech. Sgt. Felita Calvin on the operation of the billeting key card coding system. Personnel (with reservations) arriving after billeting office hours, can obtain their preprogramed room card from the electronic lock boxes located in the lobby. (U.S. Air Force photo/Senior Airman Chris Bolen)
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