Alvin the submarine, now 50 years old, underwent a thorough overhaul and upgrade last May: the iconic sub was redesigned and rebuilt, piece by piece, by a one-of-a-kind team of engineers, technicians, and pilots at the Woods Hole Oceanographic Institution. WCAI's Jenny Junker and Samantha Broun of Atlantic Public Media paid a visit to the Hi Bay to see the work happening. They didn't say no to a chance to get inside the sub's personnel sphere. Here's a short "Audio postcard" from that visit. Sound recording by Samantha Broun, audio postcard production by Jenny Junker
Where Do You Go To The Bathroom? Answers To Deep Questions About Piloting Submarine Alvin

Jenny Junker