e/Deep Star 4000

Information
has gloss	eng: Deep Star 4000 was a US Navy/Civilian Deep Submergence Vehicle designed by Jacques Cousteau and built by Westinghouse. It was built in 1965 and retired in 1972. On one Deep star 4000 dive its crew narrowly escaped tragedy when the ascent system and its backup failed at 10,000 feet down. To save the craft mercury ballast used for trim was hand pumped onto the ocean floor and the craft could rise.
lexicalization	eng: Deep Star 4000
instance of	e/Midget submarine