Leonard David's INSIDE OUTER SPACE

Here’s a sub story from me that finally surfaced on Space.com:

NASA Space Submarine Could Explore Titan’s Methane Seas

Credit: NASA/NIAC

by Leonard David, Space.com’s Space Insider Columnist
February 18, 2015 12:04 pm ET

http://www.space.com/28589-titan-submarine-robotic-saturn-ship.html

Credit: NASA/NIAC