Photos

The Medium Crawler Tracker is a tactical vehicle used by the military to easily move dirt and debris in order to alter terrain in an area during a field exercise at Camp Pendleton, Calif., April 17, 2018. Depending on the mission requirements for a Forward Operating Base, it can take the Marines a few hours to nearly a whole day of construction to operate inside the FOB. (U.S. Marine Corps photo by Pfc. Timothy Shoemaker)