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.