Fred Broderson

When a group of trespassing seniors swim in a pool containing alien cocoons, they find themselves energized with youthful vigor.

Sequel to Code of Vengeance in which Vietnam vet-turned-loner David Dalton goes off this time in pursuit of his crazy former commanding officer and his trigger-happy paramilitary group, the New Patriots, who are planning a war against the U.S. Government, which they feel let them down in Vietnam.