In June 1943, a Kentucky congressman walked up to a microphone and gave Japan one of its greatest intelligence victories of WWII.

What You Need to Know: The Soviet K-278 Komsomolets, a titanium-hulled “Mike-class” submarine, set the record for the deepest dive by a military submarine in 1984, descending over 1,000 meters.

Upon completion of the underwater part of the test, the crew of the Velikiye Luki took the submarine to the surface and continued to carry out operations in accordance with the plan KALININGRAD, ...

Add Yahoo as a preferred source to see more of our stories on Google. Laying a section of hull on the keel during construction of USS Puffer (SS 268) at the Manitowoc Shipbuilding Company on Feb. 16, ...