Keywords: Salmson 2A2 of the US 1st Aero Squadron at Andernach, Germany in 1919.jpg A U S Liberty Loan poster tacked to the side of a truck at the flying headquarters of the U S Army's First Aero Squadron near Andernach Rhenish Prussia Germany 10 April 1919 The plane is a French-built Salmson 2 A 2 observation aircraft Official U S Navy photo http //www history navy mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-02000/NH-2621 html NH 2621 from the U S Navy http //www history navy mil Naval History and Heritage Command 1919-04-10 U S Navy PD-USGov-Military-Navy Salmson 2 1st Aero Squadron Allied occupation of the Rhineland History of Andernach |