An infantryman with 1st Battalion, 21st Infantry Regiment,

An infantryman with 1st Battalion, 21st Infantry Regiment, 2nd Brigade, 25th Infantry Division, pulls security with a mounted M240 machine gun during an attack on opposing forces during at the Joint Readiness Training Center at Fort Polk, Louisiana, Oct. 23, 2020. The JRTC exercise is a capstone training event that allows 2nd Brigade to achieve certification for worldwide deployment while building interoperability with key allies in support of a free and open Indo-Pacific. (U.S. Army photo by Pfc. Rachel Christensen, 28th Public Affairs Detachment)