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: Download: Full Size (0.47 MB) Credit: David Vergun, DOD VIRIN: 191025-D-UB488-006.JPG Photo Gallery