Phillip J Tucker 
Gun Barrel Planets — New America (Book 2) 

New America Wakening fifty years into the future, Simon and the crew of the Katherine, must again try to stop an unseen enemy. Conflict is everywhere, as Simon once again tries to convince his own race to help him. Confused and often one step behind the enemy in the shadows, for the first time, the Katherine’s crew will feel the bitter taste of defeat.