Master Sgt. Matthew Pettitte retires
U.S. Air Force Master Sgt. Matthew Pettitt, 28th Operational Weather Squadron flight chief, receives his certificate of appreciation during his retirement at Shaw Air Force Base, S.C., Feb. 22, 2013. Pettitt served for 20 years in the Air Force and had 10 assignments. For three of those years, he served at the 28th OWS here. (U.S. Air Force photo by Airman 1st Class Nicole Sikorski/Released)