U.S. Naval Special Warfare Combatant-Craft Crewmen with Special Boat Team. TWELVE, U.S. Naval Special Warfare Group FOUR operate a combat craft assault while carrying Swedish Marines with 4th Marine Regiment, Swedish Amphibious Corps during exercise TYR 22 at the NATO Maritime Interdiction Operational Training Centre in Souda bay, Greece, July 21, 2022. TYR 22 is a maritime interdiction operations exercise held at NMIOTC, bringing together Swedish Marines, U.S. Marines, U.S. Navy Special warfare combatant-craft crewmen to improve US and NATO Partner operational capacity, capability, and interoperability. U.S. Marine Corps photo by Sgt. William