National Security Journal on MSN

$5,500,000,000 nuclear US Navy aircraft carrier sunk by $80,000,000 Canadian diesel sub on battery power

Synopsis: The Canadian Royal Navy has a storied history of defeating superior naval force with stealth, most notably during the 1981 Ocean Venture exercise. -An upgraded Oberon-class diesel-electric ...
Interesting Engineering on MSN

The smart trick that lets diesel submarines stay hidden underwater: Explained

Diesel-powered submarines present a challenge that may seem paradoxical at first. Their engines require ...