The following is the Nov. 13, 2023, Congressional Research In Focus report, Navy Next-Generation Attack Submarine (SSN[X]) Program: Background and Issues for Congress. From the report The Navy ...

One of two Hai Shih-class submarines (No. 11) originally built for the Navy in World War II, with Taiwan’s newer Hai Lung-class (No. 20) boats in the background. The list doesn’t rank everything.

After more than 100 years, we have the first actual image of the wreck of a sunken U.S. Navy submarine from World War I. A recent expedition to survey it and other lost military hardware has ...

The following is the Aug. 4, 2023, Congressional Research In Focus report, Navy Next-Generation Attack Submarine (SSN[X]) Program: Background and Issues for Congress.