MACHINE GUN MARCH Marine Cpl. Joshua S. Baczkowski carries an M240B machine gun during a Marine Corps activity to test and evaluate on Marine Corps Air Ground Combat Center in Twentynine Palms, Calif., March 30, 2015. Baczkowski is a machine gunner assigned to Weapons Company, Ground Combat Element Integrated Task Force. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 412698-Z-TCU30-659.jpg Photo Gallery