Perfect portions
MOODY AIR FORCE BASE, Ga. – Edward Wolff, a contractor who tests the composition of the foam, tests samples of high expansion foam with a refractometer here Jan. 21. A refractometer tests the composition of the foam to ensure the correct mix of detergent and water is used. The results of the test will be compiled and sent to the Naval Safety Center to confirm its success. (U.S. Air Force photo by Senior Airman Gina Chiaverotti)