U.S. Marines with 2nd Battalion, 1st Marine Regiment, Marine Rotational Force – Darwin 25.3, and Australian Army soldiers with 5th/7th Battalion, The Royal Australian Regiment, fire their weapons during a Maritime Key Terrain Security Operations event, in support of Exercise Balikatan 25 near Puerto Princesa, Palawan, Philippines May 5, 2025. Balikatan is a longstanding annual exercise between the U.S. and Philippine armed forces designed to strengthen the alliance, showcase the capable combined force, and demonstrate the commitment to regional security and stability. (U.S. Marine Corps photo by Cpl. Keegan Jones) - U.S. Marines with 2nd Battalion, 1st Marine Regiment, Marine Rotational Force – Darwin 25.3, and Australian Army soldiers with 5th/7th Battalion, The Royal Australian Regiment, fire their weapons during a Maritime Key Terrain Security Operations event, in support of Exercise Balikatan 25 near Puerto Princesa, Palawan, Philippines May 5, 2025. Balikatan is a longstanding annual exercise between the U.S. and Philippine armed forces designed to strengthen the alliance, showcase the capable combined force, and demonstrate the commitment to regional security and stability. (U.S. Marine Corps photo by Cpl. Keegan Jones)