U.S. Army Sgt. First Class Dwayne Hysmith, Maritime Intermodal Training Department primary instructor, inspects a student’s gas mask before live-fire training at Fort Eustis, Va., Jan. 28, 2016. Instructors time the students’ ability to put the 30 pounds of gear on in two minutes or less. (U.S. Air Force by Senior Airman Breonna Veal)