After an intelligence failure at Op-Center results in a major terrorist attack, director Chase Williams radically transforms the agency into a ground-breaking mobile strike force.
It's a beautiful day in Manhattan as excited tourists board the floating Air & Space Museum on the USS Intrepid—until a horrible explosion rips across the flight deck, showering the body parts of innocent people everywhere. The perpetrator is none

In a plot ripped from today's headlines, America's elite task force must take down a group of ruthless domestic terrorists determined to paralyze the country through extreme acts of violence in this action-packed new thriller in the bestselling Tom Clancy's Op-Center series.
They are known as the Black Order. Self-proclaimed patriots and survivalists, they refuse to surrender their values and beliefs to the left-leaning cultural