MILITARY MATTERS: Retired army colonel writes book to get people ready for Armageddon MILITARY MATTERS: Retired army colonel writes book to get people ready for Armageddon By Jason Dennis | December 16, 2020 at 11:13 PM EST - Updated December 17 at 12:05 AM COLUMBUS, Ga. (WTVM) - With everything going on lately, it can feel like it’s the end of the world. A Columbus veteran and longtime army chaplain co-authored a new book about preparing for the end times. Col. (Ret.) David J. Giammona said he thought he was battle ready on a Middle East deployment. He said he was at Victory Base in Iraq at about 5:30 a.m. running along the perimeter wall when he got a life-or-death warning.