One troop of beyond-Tier-1 operators gone completely off the reservation. One platoon of stalwart Army Rangers, pledged to protect them, but now pushed too far. A thousand tribes of enemy fighters who just want them all gone.  

South Armagh, 1989: cheering mobs stand over the body of a British soldier. He is the ninth to have been killed by the so-called Border Fox, an IRA sniper whose activities have helped make this area of the United Kingdom the most feared killing ground in Western Europe. The British government is determined to break the tightly knit South Armagh Brigade of the IRA before more lives are lost.

A secret buried in the Antarctic. A puzzle unsolved for thousands of years. And a Brooklyn-born master gunnery sergeant who's royally pissed that he has to babysit the researchers sent to figure it all out. But when Patrick "Wic" Finnegan finally sees what the team has uncovered, he can't believe his eyes, nor is he prepared for the violence to come. Soon, the portal opens and unleashes a storm of unbridled fury upon humanity.

In the jungles of Uganda, Ebola has mutated into an airborne strain. Now, all it takes is a little nudge, and the virus explodes across the planet. Panic, disbelief, and disinformation leave people unprepared to react. They hoard. They flee. They turn to violence. Austin Cooper is stranded in Africa, at the epicenter of the outbreak. His sister, an NSA analyst, is pulling strings to locate him, while trying to understand what is going on. In Colorado, Austin's parents are fighting to stay alive as millions are infected. And then billions.

Two centuries after the Confederation staved off an invasion by the robotic Locusts, Captain Jack Romanoff faces mandatory retirement from an ever-shrinking navy. Actions speak louder than words. The Confederation doesn’t think the Locusts are coming back. But what if the politicians are wrong?