Early Submarines Earned The Pig Boat Badge Of Honor Before WWI erupted, virtually every submarine was the same. They were small (under 1,000 tons displacement) and had a minimal cruising range.

Alligator Jr. was the key to selling the U.S. Navy on the concept of using submarines," said Delgado, who today is a senior vice president at Search, a private maritime archaeology firm.

Reach him @danielradelapp; 732-643-4072; dradel@gannettnj.com. This article originally appeared on Asbury Park Press: Alligator Jr., Civil War-era submarine, may be buried in NJ creek mud ...

This morning, a nuclear-powered submarine from the fleet of the British Royal Navy became lodged in some mud in shallow waters just off the coast of Scotland. A biologist recorded some shaky video ...

An enormous submarine landslide that disintegrated 60,000 years ago produced the longest flow of sand and mud yet documented on Earth. The massive submarine flow traveled 1,500 kilometers -- the ...

The naval officer pored over old documents and pictures for months. He believes the HMS E52 submarine was abandoned on mud flats which were later filled in to create the park.

Early, pre-WWI submarines had unhygenic interiors and were likened to porpoises, or "sea pigs," by sailors, earning them the name pig boats.