Black Board Series Submarine Main Ballast Tank Operation staring your favorite submarine sailor Leroy. Dive into the critical world of submarine operations with our latest video, "Submarine Main ...

Submarines have evolved over the years, becoming more vital and deadlier for the national defense of their respective countries. While every other massive ship in the Navy needs to float, these ...

An internal Defence Department report has pulled back the curtain on the damage caused by an errant test on one of Canada’s four submarines last year, suggesting some of the damage is permanent and ...

Two workers were accidentally entombed inside the ballast tank of a nuclear submarine, it has emerged. Colleagues had mistakenly sealed the tank at Devonport base in Plymouth, where Britain's nuclear ...