U.S. Marines with Bravo and Charlie companies, 1st Battalion, 9th Marine Regiment conduct a rocket range outside Camp Leatherneck in Helmand province, Afghanistan, Jan. 31, 2014.
The Marines used the range to keep their knowledge sharp on the different weapons systems they use. (DoD photo by Sgt. Eric S. Wilterdink, U.S. Marine Corps/Released). Original public domain image from Flickr