U.S. Army Staff Sgt. Grant A. Matthes, right, native

U.S. Army Staff Sgt. Grant A. Matthes, right, native of Jackson, Mich., public affairs platoon sergeant and Observer, Coach/Trainer with the National Training Center Public Affairs office at Fort Irwin, Calif., observes rotational unit training on Aug. 20, 2017. The NTC provides a tough, realistic, joint and combined arms training that focuses on the battalion task force and brigade levels. NTC has been used as the premiere training center and has continued the legacy to ensure the U.S. Army remains prepared to face any adversary. (U.S. Army photo by Sgt. Tanya M. Van Buskirk)