![](http://www.alamy.com/thumbs/6/E332A16F-B213-4389-9A84-BCA21E96A670/P3RGYN.jpg)
Marines with 3rd Battalion, 4th Marines, 7th Marine Regiment, proceed in a skirmisher formation at the beginning of a live-fire exercise as part of Tactical Small-Unit Leadership Course aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., July 18, 2016. The purpose of the course was to focus on the training of small-unit leadership within “Darkside.” (Official Marine Corps photo by Lance Cpl. Dave Flores/Released)
Size: 2000px × 1125px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: