NIGHT TRAINING A third-phase U.S. Navy student in Basic Underwater Demolition/SEAL training fires his rifle down range during a night live-fire exercise on San Clemente Island, Calif., Dec. 3, 2009. The third phase of the training focuses on land warfare and includes training in pistol, rifle, demolitions and tactical movement. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 379073-I-OGS41-982.jpg Photo Gallery