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.

Special Operations Chief Tyler Brooks might not know quantum mechanics, or have an eidetic memory, but he is the very best in the world at one thing: leading covert ops. When an unpredictable enemy causes the catastrophic loss of his entire SEAL team, Brooks is recruited by Pat Moody to lead a new elite squad, Task Force Omega. Moody’s promise—access to mind-bending tech that grants a glimpse of the future.

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.

For years, ex–Navy SEAL Maxwell Moore has worked across the Middle East and behind the scenes for the Special Activities Division of the CIA, making connections, extracting valuable intelligence, and facing off against America’s enemies at every turn. And then...news of a potentially devastating coalition: What if two of the greatest threats to the security of the United States were to form an unholy alliance?

A desperate Kremlin takes advantage of a military crisis in Asia to simultaneously strike into Western Europe and invade east Africa in a bid to occupy three rare Earth mineral mines that will give Russia unprecedented control over the world's hi-tech sector for generations to come. Pitted against the Russians are a Marine lieutenant colonel pulled out of a cushy Pentagon job, a French Special Forces captain and his intelligence operative father, a young Polish partisan fighter, an A-10 Warthog pilot, and the commander of an American tank platoon....