Marine Corps Cpl. James Dietrich, right, and Lance Cpl. Nickolas Giffen head toward the simulated “hot zone” in modified Level B suits on Combat Town, Okinawa, Japan, March 21, 2017. Dietrich is the sampling team leader and Giffen is a ampling team member with the 3rd Marine Division's Chemical, Biological, Radiological and Nuclear Platoon. Marine Corps photo by Lance Cpl. Jesus McCloud