PILOTTOWN, La. – Lance Cpl. Jesus G. Ramirez (center), a chemical, biological, radiological and nuclear defense specialist with 4th Light Armored Reconnaissance Battalion, 4th Marine Division, Marine Forces Reserve, has his face mask connected to his oxygen tank during a hazardous material technician training event at Pilottown, La., July 29, 2016. During the training scenario, the Marines responded with the United States Coast Guard to a simulated chemical lab in an abandoned hotel used to produce a dangerous mustard agent. (U.S. Marine Corps photo by Sgt. Ian Leones/ Released)