In the final days of World War II, the Japanese launch two submarines carrying a new strain of a deadly virus to the west coast of the United States, but years after the subs are lost at sea, someone plots to use their deadly cargo.

Witnessing a torpedo attack on a Vietnamese merchant ship by a Chinese nuclear sub, USS North Dakota captain Jerry Mitchell helps to forge a tenuous new alliance with Western Pacific nations in a covert submarine campaign aimed at crippling China's economy and preventing a full-scale war.

"Russia's new ballistic missile submarine, Yuriy Dolgorukiy, is being deployed on its first patrol while America's newest fast attack submarine, North Dakota, is assigned to trail it and collect intel. As the Russian submarine heads under the polar ice cap, its sonar readings reveal the trailing American sub and cause the Russians to begin a radical, evasive maneuver. This, however, fails and the submarines collide, resulting in damage that sends...

As the U.S. Navy searches for weapons-grade plutonium that has been smuggled by terrorists out of Russia, a submarine mishap in the Black Sea brings the United States and Russia to the brink of nuclear war. It is a race against the clock, with Russian missiles activated and programmed for American cities.

"The USS Kentucky -- a Trident ballistic missile submarine carrying a full complement of 192 nuclear warheads -- is about to go on a routine cruise. Not long after it reaches the open sea, however, the Kentucky receives a launch order. After receiving that launch order, it is cut off from all counter-orders and disappears into the Pacific while it makes the eight-day transit to the launch site. What the Kentucky's crew doesn't know is that those launch...

After a gruesome discovery escalates America's involvement in a naval war in the South China Sea, U.S. President Douglas Surber must choose to take a stand against evil or save the life of his daughter, who is stationed aboard a U.S. submarine tender.

Summer, 1914. Detective Isaac Bell is asked to investigate a cache of missing rifles-- but whoever broke into the Winchester Factory wasn't looking to take weapons. They wanted to leave something in the shipping crates: a radio transmitter, set to summon a fleet of dreaded German U-boats. Someone is trying to keep American supplies from reaching British shores, and if Bell doesn't crack the conspiracy in time, the Atlantic Ocean will run red with...