(W) Frederic Zumbiehl (A) Gil Formosa Buck and his friends are sent to Edwards Air Force Base on a new top-secret assignment. Their joy at being test pilots again is short-lived: they are in fact to test and train an artificial intelligence program that could very well one day replace them in the cockpit of a fighter jet. As if that wasn't enough, the project is plagued by a string of incidents, to the point that Buck begins to-rightly-suspect outside interference!

(W) Frederic Zumbiehl (A) Gil Formosa Project Skyborg, the Air Force's prototype AI pilot, has turned into a complete disaster. While the system works, it has unfortunately been hijacked by agents of the Circle, a shadowy criminal organisation whose nefarious plans Buck has already thwarted several times. The terrorists are now in possession of an AI-controlled F-16 with which they intend to strike an important target and start a deadly war. They have also called upon Sato, who's kidnapped Sonny and plans to use him to lure his sworn enemy Buck into a trap … The conclusion of a two-part story started in volume 14.