While NASA was trying to put a man on the moon, the Navy was quietly conducting a series of tests to see if humans could live ...

They also tested tools and techniques for underwater construction and salvage ... inside the Sealab II habitat. At sea level, a Navy barge served as a mother ship — feeding the vessel gases ...

They also tested tools and techniques for underwater construction and salvage ... U.S. Naval Undersea Museum) At sea level, a Navy barge served as a mother ship — feeding the vessel gases ...

They also tested tools and techniques for underwater construction and salvage, laying the groundwork ... courtesy of U.S. Naval Undersea Museum) At sea level, a Navy barge served as a mother ship — ...

Truman collided with a large merchant vessel Wednesday night in the vicinity of Port Said, Egypt, in the Mediterranean Sea. "The Nimitz ... a Panamanian-flagged cargo ship. There are no reports ...