U.S. Air Force Maj. Steven Clough, an optometrist from the 310th Aerospace Medicine Flight out of Buckley Air Force Base, Colo., checks a Guyanese girl?s eyes at the Timehri Primary School in Georgetown, Guyana, Aug. 12, 2009.
Airmen are deployed to the area in support of New Horizons Guyana, a joint mission sponsored by U.S. Southern Command. (DoD photo by Airman 1st Class Perry Aston, U.S. Air Force). Original public domain image from Flickr