87 U.S. Marine Corps Lt. Col. Eric Benjamin and Master Gunnery Sgt. Christopher Meyer take part in an Amphibious Combat Vehicle Electronic Warfare Demonstrator during Modern Day Marine 2026 at the Walter E. Washington Convention Center, Washington, D.C., April 28, 2026. Modern Day Marine is an annual event that allows the service to showcase modernization efforts, explore innovation solutions and discuss future operational challenges. (U.S. Marine Corps photo by Sgt.