Senior Airman Bryan Hersey, a 379th Expeditionary Comptroller Squadron cashier from Lompoc, Calif., counts Qatari Riyal while working inside the cashier cage at Al Udeid Air Base, Qatar, Jan. 24, 2016. One of the most popular services the 379th ECPTS provides is currency exchanges. (U.S. Air Force photo/Tech. Sgt. James Hodgman)