Fulcrum: V Plague, Book 12 (Unabridged‪)‬

With a Russian invasion force threatening, and a downed American pilot in the Sea of Cortez, John must set aside the most personal loss of his life and continue the battle to save what remains of America. Leading a lightning mission into Mexico, he encounters survivors who have formed militias and pose a threat to anyone who is not part of their group. Meanwhile, Admiral Packard prepares for the final defense of Hawaii.