Sgt. Daniel Helms, a squad leader with Fox Company, 2nd Battalion, 23rd Marines, 4th Marine Division, tosses a smoke grenade at Range 410A during Integrated Training Exercise (ITX) 4-21 at Marine Corps Air Ground Combat Center, Twentynine Palms, California on July 31st, 2021. Range 410A provides Reserve Marines the opportunity to execute a fire and maneuver attack supported by mortarmen, machine gunners and combat engineers. (U.S Marine Corps photo by Lance Cpl. David Intriago)