Intrepid Maven 23.2

U.S. Marines with Echo Company, Third Battalion, 23rd Marine Regiment, install concertina wire to create a defensive position during a field training exercise at Fort Knox, Kentucky, on June 23, 2021. Units with Marine Forces Reserve conduct annual training to hone job skills and maintain combat proficiency so they are prepared to reinforce and augment the active component. (U.S. Marine Corps photo by Cpl. James Stanfield)