U.S. Marine Master Gunnery Sgt. Robert Jadwin, left, the oldest marine participating in a cake cutting ceremony for the 243rd Marine Corps Birthday, eats a piece of birthday cake on Marine Corps Air Ground Combat Center Twentynine Palms,California, Nov. 10, 2018. The Marines are currently participating in Integrated Training Exercise (ITX), a large-scale, combined-arms training exercise intended to produce combat-ready forces capable of operating as an integrated Marine air-ground task force. Jadwin is the operations chief for 3rd Law Enforcement Battalion. (U.S. Marine Corps photo by Lance Cpl. Jailine L. AliceaSantiago)