Saab has relaunched the Royal Swedish Navy's third Gotland (Type A 19)-class diesel-electric submarine (SSK), HSwMS Halland, ...
Submarines came to the forefront of military navies with the advent of WWI, as Germany's dangerous U-boats proved a ...
Cummins 14.3L Ace engine is one of the most powerful engines out there, powering U.S. tanks. That said, its unique design may surprise you.