Foam Sprayer John Farley, director of fire test operations at the Naval Research Laboratory, tests the effectiveness of aqueous film-forming foam by spraying it on a gasoline fire. The test took place at the laboratory in Chesapeake Beach, Md. Oct. 25, 2019. SHARE IMAGE: Download Image: Small (0 KB)| Medium (194.56 KB)| Full Size (0.47 MB) Photo By: David Vergun, DOD VIRIN: 191025-D-UB488-006.JPG Photo Gallery