Orville and Wilbur Wright; United States Army Signal Corp. WRIGHT BROTHERS U.S. AIR FORCE AIRPLANE MILITARY CONTRACT POSTER 1908 U.S. Air Force; United States Army Signal Corp. 1908 POSTER New Original Contract and Specifications for the First Military Heavier Than Air Flying Machine - Wright, Orville and Wilbur; United States Army Signal Corp.; This 18" x 24" inch reproduction of the contract between the Wright Brothers and (THE ARMY SIGNAL CORP.) what would become eventually the United States Air Force. Signed by Wilbur and Orville Wright (The Wright Brothers). A historical collectible and a super piece of early aviation and U.S. Air Force history. This is a great gift for anyone engaged in the history of aviation, the business of aviation as well as those in the Armed Services! This print looks awesome on the wall and is a popular gift for Air Force, Navy, Army & Coast Guard Officers, Pilots and Airmen.