Airman 1st Class Timothy Whitworth explains the per diem rules March 19, 2011, to Capt. Cole Taylor and his wife, Breanne, that apply to the voluntary departure process at Misawa Air Base, Japan. Captain Taylor is a physician with the 35th Medical Operations Squadron, and Airman Whitworth is a customer service technician with the 35th Comptroller Squadron. (U.S. Air Force photo/Tech. Sgt. Phillip Butterfield)