A U.S. Marine Corps F-35B Lightning II assigned to Marine Fighter Attack Squadron (VMFA) 121, 31st Marine Expeditionary Unit, takes off during a joint service flyover in the Philippine Sea, Feb. 26, 2026. Aircraft participated in a coordinated event to demonstrate joint service readiness and maritime capabilities. The 31st MEU is a persistent, combat credible force operating aboard the ships of the Tripoli Amphibious Ready Group in the U.S. 7th fleet area of operations, routinely interacting and operating with our allies and partners to contribute to deterrence, security, crisis response, and combat operations in the Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Victor Gurrola)