After months of fighting, the crew of Nathan James must embark on a dangerous mission to secure important intel that could decide the fate of the war.

Nathan James is diverted from their mission when they receive a suspicious distress call from a fishing trawler.

Nathan James must seek the aid of a prominent rebel leader in order to create a staging area before mounting an invasion of their own.

Chandler's leadership is put to the test when the ship's propulsion system is in danger of breaking down, the crew becomes overworked and exhausted, and Dr. Scott could potentially lose all of her research on the virus.

Sixteen months after thwarting the coup in America, Nathan James must face yet another global disaster. The question remains, where in the world is Tom Chandler?

Having lost their only lead, the crew of Nathan James continues their search for an item that could save the world. Chandler immerses himself in a mission for revenge.

The crew searches for one of their own as enemies close in on all sides. Slattery is haunted by visions of the past.

The search continues with a reconnaissance mission but things turn violent when an old foe resurfaces.

An undercover mission in the land of the dead leads to disturbing revelations about Dr. Vellek's sinister plans.

With nations being rapidly occupied, Chandler tries his hand at diplomacy to unite two hostile countries so they can fight a common enemy.

As Nathan James and her allies attempt to prevent the enemy moving north, Chandler's haunting visions manifest into reality.

Pinned down after days of fighting, Vulture team must find their way into a secretive enemy camp.

The crew members arrive at the Guantanamo Bay military base to collect food, fuel and medical supplies. When they come under attack by escaped Gitmo prisoners, they team up with a gruff private contractor to push back against the offensive.

After returning from the horrors of Nicaragua, panic begins to spread throughout the ship when Lt. Danny Green comes down with a mysterious illness that could be the virus. Losing faith in Rachel and her failing vaccine trials, Chandler now has to deal with a restive crew. If he fails to keep the crew together, the whole mission is in jeopardy.

Nathan James's crew searches for a precious item leading them to a strange place of opulence and violence where they cross paths with a most unexpected ally.

Thrust back to World War II era military technology, Nathan James must think fast to survive a fight with limited weapons capabilities.

The crew of a lone naval ship try to save humanity when they discover a deadly virus has wiped out most of the population in the series premiere of this drama.

With Rachel close to a breakthrough on her vaccine, she, Chandler and XO Slattery lead a small team into the jungles of Nicaragua on a mission to find monkeys for her vaccine trials. While there, they find much more than they bargained for when they run across a former drug kingpin who will stop at nothing to maintain his stranglehold on his oppressed society. Chandler and his men find themselves in a huge moral dilemma over whether to eliminate this menace or take what they need and continue on with their mission.

With an enormous storm on the horizon, Nathan James must navigate an equally terrifying threat in order to make it to safety.

The crew of Nathan James begin preparations for what may be their most ambitious mission to date.

It is all out war as Chandler must face his fears and confront the greatest threat he has ever encountered.

The crew faces a new foe targeting Rachel and her research, leading Chandler to engage in a series of dangerous strategic maneuvers.

Nathan James returns home to Norfolk on a mission. With his family now safely aboard the James, Chandler sends his crew in search of their friends and loved ones.

Chandler tracks a new threat to Northern Florida. Meanwhile, Rachel comes across a secret formula that her mentor, Dr. Hunter, had been perfecting.

Rachel is hard at work on a new, more efficient version of the cure while Alisha decodes a message found on a recovered cell phone.