Former disgraced Delta Force commander Kolt "Racer" Raynor has earned his way back into The Unit after redeeming himself during an explosive operation at a black site in Pakistan. But he is about to face his deadliest challenge yet. The most wanted man in the world, American al Qaeda commander Daoud al Amriki, and his handpicked team of terrorist operatives, have acquired stores of Russian-built, shoulder-fired surface-to-air missiles (SAM's) from ex-Libyan spies in Cairo.

Navy SEAL Keith “Chunk” Redman has been one of the military’s top doorkickers since the day he pinned on his trident: loyal, single-minded, lethal. Tasked to lead a new, covert team of Tier One SEALs—the most elite special operators in the world—Chunk can no longer simply rely on the status quo. To safeguard America, he needs help to stay a step ahead of its adversaries.

Eric Steele is the best of the best - an Alpha - an elite clandestine operative assigned to a US intelligence unit known simply as the "Program". A superbly trained Special Forces soldier who served several tours fighting radical Islamic militants in Afghanistan, Steele now operates under the radar, using a deadly combination of espionage and brute strength to root out his enemies and neutralize them.

Pulled off an undercover assignment, Widow returns home to a small town in Mississippi - a place he tried to forget. Taken to be a worthless drifter by the locals, Widow uses his skills to uncover the truth about his mother's last investigation. What was she looking for? What he discovers is an unsolved mystery of missing girls and townspeople harboring a deadly secret - a secret they'll die to protect.

On the eve of his medical retirement, Navy SEAL Jedidiah Johnson receives a frantic call from his estranged childhood best friend, David Yarnell. David’s daughter has been kidnapped off the streets of Nashville in broad daylight. The police have no suspects and no leads. The only clue: the body of a dead priest left behind at the scene. With the clock ticking, David is growing desperate, as is his wife, Rachel...Jed’s first love.