U.S. Marines grimace as they fire an M-198 155 mm howitzer at Fort Bragg. U.S. Marines from the 5th Battalion, 10th Marine Regiment grimace as they fire an M-198 155 mm howitzer at Fort Bragg, N.C., during the Supporting Arms Training Exercise on April 1, 1998. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 837160-L-RXM87-729.jpg Photo Gallery