US, UK Navies Sink Decommissioned Frigate in SINKEX; New Submarine Scores Kill

The US Navy and Royal Navy conducted a sinking exercise (SINKEX) on Sept. 20, with the newly commissioned Virginia-class submarine USS Massachusetts (SSN-798) sinking decommissioned frigate USS Klarkring (FFG-42) with an Mk48 torpedo about 150 miles off northwest Scotland. The event demonstrates interoperability and validates the submarine's combat readiness shortly after commissioning. No strategic shift is indicated; it is a routine force-posture and capability demonstration.