What to wear?
Master Sgt. Don Mitchell, 4th Equipment Maintenance Squadron assistant maintenance flight chief, checks the length of a light-weight jacket in the mirror at the Army and Air Force Exchange Military Clothing Sales Store Oct. 13, 2009. Enlisted Airmen must have chevron rank insignias sewn-on their light-weight jacket by effective Jan. 1, 2010. (U.S. Air Force photo/Tech. Sgt. Tammie Moore)