U. S. Air Force Staff Sgt. Tracy Harrell, 30th Intelligence Squadron imagery analyst, receives in-processing assistance from Senior Airman Fernando Pereira, 633rd Comptroller Squadron military pay technician, 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, PIPS, 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)