A Japanese submarine sank USS Juneau in World War II. One just did it again as the US and its allies train for a Pacific fight.

Source: Business Insider

The sinking of the USS Juneau was part of the US and its allies and partners' larger exercise on testing weapons and training together. US Navy photo by Mass Communication Specialist Seaman Anthony VilardiA Japanese torpedo sank a decommissioned US Navy vessel as part of a live-fire drill. The USS Juneau was an amphibious transport dock ship that saw action in the Vietnam War and the Middle East.