BLACK LIGHT SIGHT U.S. Air Force Capt. Justin Talarico demonstrates the difference between a clean and a contaminated water sample using a black light at the expeditionary hospital in Angol, Chile, March 18, 2010. Talarico is assigned to the 359th Aerospace Medicine Squadron at Randolph Air Force Base, Texas. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 375366-Z-DRO96-229.jpg Photo Gallery