Aerial Shot Marine Corps Staff Sgt. Jason Bradtmueller fires an M240B machine gun at a simulated target during an aerial gunnery instructor certification in the 5th fleet area of operations, May 11, 2018. Bradtmueller is an MV-22B Osprey crew chief assigned to Marine Medium Tiltrotor Squadron 162 (Reinforced), 26th Marine Expeditionary Unit. Marine Corps photo by Gunnery Sgt. Eric L. Alabiso II SHARE: Download: Full Size (1.61 MB) Credit: Gunnery Sgt. Eric Alabiso II VIRIN: 180511-M-HH244-0052C.JPG Photo Gallery