Keywords: Smoking Barrels (9968616366).jpg Sgt Jeremy T Wellenreiter a primary marksmanship instructor with Weapons Training Battalion fires an M-4 Carbine at Robotic Moving Targets at Marine Corps Base Quantico Va Sept 24 2013 The Marines were part of a test group to help determine the most effective marksmanship technique and method for infantrymen to engage moving personnel targets U S Marine Corps photo by Cpl Daniel Wetzel/Released https //www flickr com/photos/marine_corps/9968616366/ Smoking Barrels 2013-09-24 08 15 https //www flickr com/people/40927340 N03 Marines from Arlington VA United States PD-USGov United States Marine Corps Official Page https //flickr com/photos/40927340 N03/9968616366 2016-09-03 22 15 15 United States Government Work Smoke Weapons Amphibious forces Weapons Training Battalion United States |