Army Reserve Spc. Jonathan Larsen, a chemical, biological, radiological and nuclear specialist and native of Dunnellon, Florida, assigned to the 329th Chemical Company, 92nd Chemical Battalion, 415th Chemical Brigade, prepares .50 caliber machine-gun ammunition for Soldiers conducting a nighttime live-fire training exercise at a range on Fort Stewart, Georgia, June 25. Soldiers of the 92nd Chemical Battalion are at Fort Stewart to conduct two-weeks of gunnery training to hone marksmanship skills and improve battlefield lethality and readiness. (Official U.S. Army Reserve photo by Sgt. 1st Class Brent C. Powell)