Feral Nation - Infiltration (Feral Nation Series)

In a near future, post-Apocalyptic America, civil unrest and insurrection spreads in the wake of coordinated attacks by anarchists and terrorists. Battles between dissident factions rage from coast-to-coast as cities and towns become war zones. With travel and communications severely restricted and food, fuel and other essentials in short supply, the nation is on the brink of collapse... 
Professional security contractor, Eric Branson has been away fighting ongoing insurgencies in Europe when he realizes his own country faces the same fate. But before he can make his way back home to Florida, a catastrophic hurricane deals the final blow to an infrastructure ravaged by riots and terror, leaving survivors cut off and on their own. Amid the death and destruction in the aftermath, Eric begins his most dangerous mission yet, searching for the family he left behind.