NINTH AIR FORCE-USAAF By Books / Hardcover History: Military › Other Military History Publisher: United States Army Executive Liaison Section, Price $26.96 Free Shipping Send to a friend Used - Acceptable Acceptable condition. Spine cover missing. (United States Army Air Force, regimental history) $26.96 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.