Staff Sgt. Mitch Waddell, 28th Force Support Squadron front desk representative/alternate accountant, works on finances at the Pine Tree Inn on Ellsworth Air Force Base, S.D., Feb. 8, 2012. The Pine Tree Inn is a non-appropriated funds operation, maintaining its functions by self-generating funds. (U.S. Air Force photo by Airman 1st Class Anania Tekurio/Released)