Copter Commotion Marines prepare to use a CH- 53E Super Stallion helicopter to move an M777 howitzer to its firing position during a training exercise at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., April 27, 2018. Marine Corps photo by Pfc. William Chockey SHARE: Download: Full Size (1.9 MB) Credit: Pfc. William Chockey VIRIN: 180427-M-UB217-032C.JPG Photo Gallery