U.S. Navy Seabees learn the mechanics of the M-60E3 machine gun. U.S. Navy Seabees from Naval Mobile Construction Battalion 17 learn the mechanics of the M-60E3 machine gun during Exercise Mountain Bee '97 at Fort Carson, Colo., on May 16, 1997. The exercise will give the reserve Seabees in-field training on the use of weapons, medical evacuations, communications, logistics and other combat related training. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 540444-W-ZCU41-736.jpg Photo Gallery