"In Rules of Engagement, David Bruns and J. R. Olson deliver a captivating and utterly authentic portrayal of modern day combat that compares with the best of the timeless classics by Tom Clancy, Dale Brown, and Stephen Coonts. This one must not be missed!" —Mark Greaney, #1 New York Times bestselling author of Mission Critical

A terrorist breach of the computer systems of the three most powerful navies is about to set them on a collision course for World War III.

Rafiq Roshed is one of the most wanted men in the world. A terrorist with a virulent grudge against the West, he’s disappeared into North Korea where he quietly launches cyber sneak attacks in service of Kim Jong-un. But now he’s about to unleash his virtual masterpiece—a computer virus that, once inserted into the command systems of a military, not only takes over, but also learns the art of war. First penetrating the Chinese, he has their war machine launch