Testing the waters in Chile
Capt. Justin Talarico checks the water outside the expeditionary hospital March 18, 2010, in Angol, Chile. Captain Talarico is a bioenviromental engineer assigned to the preventive medicine team as part of the Air Force Expeditionary Medical Support team. He is assigned to 359th Aerospace-Medicine Squadron at Randolph Air Force Base, Texas. (U.S. Air Force photo/Senior Airman Tiffany Trojca)