July 1944. After a lackluster wolfpack operation, an American submarine commander penetrates the defenses of a Japanese convoy...
USS Silversides battles depth charges, a jammed torpedo and an emergency appendectomy deep in enemy waters whilst intercepting...
June 1945. With Japanese merchant shipping slowed to a trickle, US Commander bets a crew member they'll sink 15 vessels during...
U-515 led by U-boat Ace Werner Henke is on route to the Gold Coast and meets one of the new Hunter Killer Groups led by...
With the same target in sight, teammates HMS Upholder and HMS Unbeaten unknowingly take aim at each other, placing themselves...
When Soviet submarine, B-59, is discovered "practice depth charges" are dropped; nearly inciting a nuclear war.
February 1945. Below icy Norwegian waters HMS Venturer stalks German U-Boat 864 in a rare WWII submarine attack where both...