HOWITZER LIFT Marines prepare to attach an M777 Howitzer to a CH-53E Super Stallion as it hovers over the gun during Exercise Steel Knight 2015 on Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Dec. 9, 2014. The Marines are assigned to Landing Support Platoon, Truck Support Company, Combat Logistics Battalion 5. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 702740-U-EFO94-442.jpg Photo Gallery