Howitzer Training Members of the Mississippi National Guard conduct live-fire training with an M109 Paladin howitzer at the National Training Center, Fort Irwin, Calif., June 14, 2021. SHARE IMAGE: Download Image: Full Size (0.24 MB) Tags: national guard, army Photo By: Army Spc. Micah Longmire VIRIN: 210614-Z-XB515-185A.JPG Photo Gallery