Robert O. Harder was an Air Force ROTC Distinguished Military Graduate and Strategic Air Command "Cold War" B-52D aircrewman with 145 combat missions during the Vietnam War. A rated navigator and radar bombardier, he also flew nuclear training sorties and stood Pad Alert. A former business executive, he was a commercial pilot and FAA-certificated flight instructor. Flying from the Black Hole: The B-52 Navigator-Bombardiers of Vietnam was first published by the Naval Institute Press in 2009. Visit the author's website at robertoharder.com for more info and additional images not published in the book.