103d Aero Squadron SPAD VII aircraft parked on the flightline, Bonne Maison Aerodrome, France during the Battle of the Lys in April 1918.
Air Service, United States Army
1918-04
Air Service, United States Army photograph via Guttman, John (2001), Spad VII Aces of World War I (Osprey Aircraft of the Aces No 39), Osprey Publishing; First Edition edition (August 25, 2001), ISBN: 1841762229