A U.S. Marine with 2nd Battalion, 3rd Marine Regiment,

A U.S. Marine with 2nd Battalion, 3rd Marine Regiment, 3rd Marine Division, assaults a target area during the Range 400 at Marine Corps Air Ground Combat Center Twentynine Palms, California, Feb. 1, 2021. Range 400 is a training event that takes place during an integrated training exercise (ITX). An ITX is a 28-day training evolution that involves a series of progressive live-fire exercises that assess the ability and adaptability of a force of more than 3,500 Marines and sailors. (U.S. Marine Corps Photo by Lance Cpl. Quince Bisard)