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.

When elite Navy Seal Troy Stark is forced into retirement for his dubious respect for authority, he dreads the quiet life awaiting him with his brothers and buddies in Yonkers, New York. But the quiet doesn’t last long: The NYPD needs Troy’s military expertise to help find and stop a major terrorist threat to New York City. To pre-empt the attack, they need him to fly to Europe and stop it at its source—using any means necessary.

Court Gentry is known as The Gray Man—a legend in the covert realm, moving silently from job to job, accomplishing the impossible, and then fading away. And he always hits his target. But there are forces more lethal than Gentry in the world. And in their eyes, Gentry has just outlived his usefulness. Now, he is going to prove that for him, there's no gray area between killing for a living-and killing to stay alive.

At 24 years of age, U.S. Army Ranger Sean Parnell was named commander of a forty-man elite infantry platoon - a unit that came to be known as the Outlaws - and was tasked with rooting out Pakistan-based insurgents from a mountain valley along Afghanistan's eastern frontier. Parnell and his men assumed they would be facing a ragtag bunch of civilians, but in May 2006 what started out as a routine patrol through the lower mountains of the Hindu Kush became a brutal ambush.

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.

When it comes to killing terrorists, British intelligence has always had one man they could rely on: Max McLean. As an assassin, he's never missed, but Max has made one miscalculation, and now, he has to pay the price. His handlers send him to Sierra Leone on a seemingly one-way mission. What he finds is a horror from beyond his nightmares. Rebel forces are loose in the jungle, and someone or something is slaughtering innocent villagers. It's his job to root out the monster behind these abominations, but he soon discovers he may be the most disposable piece in this operation.

John Dempsey's life - as an elite Tier One Navy SEAL named Jack Kemper - is over. A devastating terrorist action catapults him from a world of moral certainty and decisive orders into the shadowy realm of espionage, where ambiguity is the only rule. His new mission: hunt down those responsible for the greatest tragedy in the history of the US Special Ops and bring them to justice.

On the snow-covered slopes of Utah, the unthinkable has just become a nightmarish reality: thirty Secret Service agents have been viciously executed and the vacationing president of the United States kidnapped by one of the most lethal terrorist organizations in the Middle East - the Fatah Revolutionary Council. But surviving agent and ex-Navy SEAL Scot Harvath doesn't believe the Fatah Revolutionary Council is responsible for the attack.

On his last combat deployment, Lt. Cmdr. James Reece's entire team was killed in an ambush that also claimed the lives of the aircrew sent in to rescue them. But when those dearest to him are murdered on the day of his homecoming, Reece discovers that this was not an act of war by a foreign enemy but a conspiracy that runs to the highest levels of government. Now, with no family and free from the military's command structure, Reece applies the lessons that he's learned in over a decade of constant warfare toward revenge.

Joshua Duffy is a Close Protection Agent — a professional bodyguard — and he's one of the world's elite operatives. That is, he was until his last mission in Lebanon. Against all odds, Josh got his primary out alive, but the cost was high. Josh lost his lower left leg.

As a member of the elite Air Force Pararescue, Travis Lane abides by the motto “These things we do, that others may live.” After an injury forces him to consider retirement, he is blindsided when his brother-in-law is killed in the line of duty, leaving Lane as the sole support for his sister and the family farm they can no longer afford. Desperate for something to help them keep the farm, Lane accepts an offer to join Broadside Solutions, a private company with specially trained military operatives who provide protection for clients all over the world.

America is under attack. Thousands lie dead after simultaneous strikes across the country. The day will come to be known as Bloody Monday. Jason Trapp, codename ‘Hangman’, was a covert operative whose feats became the stuff of legend. He was the tip of the spear—the man his country unleashed when all hope was lost. Six months ago, someone sold him out. The Agency listed him as killed in action. He lost everything—and everyone—he held dear. But Trapp’s not that easy to kill.

Ruthless, clever, and unbelievably violent, the Russian mafia has rapidly taken over the criminal underworld in the US, and law enforcement has been unable to stem the tide. When a powerful Russian mob family declares war by publicly executing two high-profile American politicians, the message is unmistakable - opposition will be met with overwhelming deadly force. With no other viable options, the President creates a clandestine assassinations team to find and eliminate the unreachable men running this deadly criminal operation.

Two armed men board a 727 that has been all but forgotten at an airfield in Angola. Hijacking the jet, they then slit the throat of the lone crew and fly to parts unknown. The consternation is immediate, as the CIA, FBI, and other agencies race to find out what happened, in the process elbowing one another in the sides a little too vigorously. Fed up, the president of the United States turns to an outside investigator to determine the truth.

Isaiah Coleridge is a mob enforcer in Alaska - he's tough, seen a lot, and dished out more. But when he forcibly ends the money-making scheme of a made man, he gets in the kind of trouble that can lead to a bullet behind the ear. Saved by the grace of his boss and exiled to upstate New York, Isaiah begins a new life, a quiet life without gunshots or explosions. Except a teenage girl disappears, and Isaiah isn't one to let that slip by. And delving into the underworld to track this missing girl will get him exactly the kind of notice he was warned to avoid.