U. S. Air Force Airman 1st Class Andrew Neikirk, 633rd Comptroller Squadron travel technician, assists Senior Airman Jessica Woll, 30th Intelligence Squadron imagery analyst, with questions about Basic Allowance for Housing at Langley Air Force Base Va., Jan. 10, 2012. The 633rd CPTS Finance Customer Service Office uses the Permanent Change of Station In-Processing System which allows personnel to file their own PCS vouchers from start to finish without a middleman. (U.S. Air Force photo by Staff Sgt. Jeff Nevison/Released)