Mr. Dennis Biddick, the deputy assistant secretary of the Navy for Reserve Affairs/Total Force Integration, speaks to Marines of Combat Logistic Battalion 25, 4th Marine Logistics Group, about the importance of their role and how training is being conducted during Integrated Training Exercise 4-18 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 13, 2018. ITX 4-18 provides Marine Air Ground Task Force elements an opportunity to undergo a service-level assessment of core competencies that are essential to expeditionary, forward-deployed operations. (U.S. Marine Corps photo by Lance Cpl. Samantha Schwoch/released)