The Foundations of U.S. Air Doctrine: The Problem of Friction in War By Watts, Barry D., Lt. Col., USAF Books / Hardcover UPC: B000MANAFK / Publisher: Air University Press, January 1984 Price $39.45 Free Shipping Send to a friend Collectible - Like New High Quality! Maxwell Air Force Base, AL: Air University Press, 1984. Sm 4to Hardcover. 166pp. B/W photos and plates. Fine book. Inquire if you need further information. $39.45 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.