HOWITZER TRAINING U.S. Marines fire the M777 Howitzer during an annual artillery relocation training fire mission on Yausubetsu training site in Hokkaido, Japan, Nov. 20, 2008. The Marines are assigned to Kilo Battery, 3rd Battalion, 12th Marine Regiment. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 168808-M-CVS07-209.jpg Photo Gallery