U.S. Marines with Marine Wing Support Squadron 472, Marine Aircraft Group 49, 4th Marine Air Wing, patrol an airfield entry control point during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 18, 2019. Today’s Marine Reserve is a critical component of the Marine Corps’ Total Force, and training like ITX helps ensure Reserve units combat effectiveness and proficiency for world-wide deployment. (U.S. Marine Corps photo by Lance Cpl. Preston L. Morris)