A Japanese submarine successfully 'sank' the USS Juneau during a recent training exercise, mirroring a World War II event. This incident occurred as the US and its allies conducted drills for a potential Pacific conflict.

During Exercise Valiant Shield 2026, a B-2 Spirit stealth bomber successfully sank the decommissioned USS Juneau in a SINKEX operation, demonstrating its capabilities.

The US Navy conducted a 'SinkEx' exercise off the Mariana Islands, sinking the decommissioned USS Juneau to test weapon systems and provide real-world training. India also conducts similar drills.

The decommissioned US amphibious transport dock USS Juneau (LPD-10) was sunk by a torpedo from a Japanese Maritime Self-Defense Force submarine during the Valiant Shield exercise in the Pacific.