There are 5 books in the Delta Force series. The newest book is Execute Authority which came out in 2017.

1
Black Site

Book cover of Black Site
From former Delta Force commander and New York Times bestselling author of Kill Bin Laden comes the first novel in an explosive new series. After September 11, 2001, Delta Force troop commander Dalton Fury was given the secret mission to hunt down and kill the most wanted man in the…
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2
Tier One Wild

Book cover of Tier One Wild

New York Times bestselling author and former Delta Force commander Dalton Fury (Black Site and Kill Bin Laden) is back with an explosive new thriller

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…

3
Full Assault Mode

Book cover of Full Assault Mode
When SEAL Team Six killed Osama bin Laden, they pulled a treasure trove of intelligence on planned attacks on U.S. soil. Ayman al-Zawahiri, al Qaeda's new leader, is activating his most trusted (and deadliest) terrorists to carry out his newest plot: to detonate a bomb inside one of the sixty-four…

4
One Killer Force

Book cover of One Killer Force

Still recovering from his near fatal wounds suffered at the Yellow Creek Nuclear Plant, Delta Force Commander, Major Kolt "Racer" Raynor, is thrust into a new battle with some of the toughest killers he's ever faced - US Navy SEALs. Government austerity measures have the Joint Chiefs of Staff contemplating…

5
Execute Authority

Book cover of Execute Authority

The explosive conclusion to the New York Times bestselling series.

In Dalton Fury's Execute Authority, Kolt “Racer” Raynor and his Delta Force squadron are in Greece, providing VIP security for the newly elected―and deeply controversial―American president on his desperate mission to hold the NATO alliance together.
Then, the unimaginable happens.…