Prepping a Round Army Pfc. Ross Murphy holds a 105mm round before test firing an M119A3 105mm howitzer system at Camp Roberts, Calif., Jan. 18, 2017. Murphy is assigned to Bravo Battery, 1st Battalion, 143rd Field Artillery Regiment. Navy photo by Petty Officer 2nd Class Timothy M. Black SHARE: Download: Full Size (1.93 MB) Tags: M119A3 105mm howitzer system, Soldiers, Army, training Credit: Petty Officer 2nd Class Timothy M. Black VIRIN: 170118-N-AV746-600A.JPG Photo Gallery