Guest: Dennis Chamberland. Topics: Atlantica Expedition, space analogs under the ocean. Please note that you are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog, http://thespaceshow.wordpress.com. Comments, questions, and any discussion must be relevant and applicable to Space Show programming. We welcomed Dennis Chamberland, Expedition Leader and Aquanaut to the show.