Alvin's Makeover: Photos of the Famous Deep-Diving Sub

1 of 7

Alvin's Updates

Credit: WHOI
From 2011 to 2013, the United States' famous manned sub Alvin went through a series major upgrades. This image shows Alvin leaving its operators in Woods…Read More »

Hole, Mass., for the U.S. West Coast, where it successfully underwent sea trials in November 2013. The Navy certified Alvin in January 2014 to dive up to 12,467 feet (3,800 meters), opening the door for science missions aboard the vessel.   Less «
More from LiveScience