U.S. Air Force Tech. Sgt. Monica Alvarado, 633rd Surgical Operations Squadron ophthalmology noncommissioned officer in charge, performs a glaucoma screening on retired U.S. Army Sgt. 1st Class John Voss during the Retiree Health Fair March 30, 2012, at Langley Air Force Base, Va. Retirees received medical care and information during the inaugural Retiree Health Fair. (U.S. Air Force photo by Senior Airman Stephanie Rubi/Released)