Howitzer Howling Army Sgt. Ryan Skelton, left, and Staff Sgt. Elvis Servellon fire an M116 howitzer during a retirement ceremony for Army Brig. Gen. Janice M. Haigler, deputy commander of the 335th Signal Command Theater, at Fort Jackson, S.C., July 16, 2016. Army photo by Staff Sgt. Ken Scar SHARE: Download: Full Size (0.95 MB) Credit: Staff Sgt. Ken Scar VIRIN: 160716-A-ZU930-001A.JPG Photo Gallery