1216 - France Aviation. The personal effects of Lieutenant Pilot Olivier Vachee, who was seconded from the 26th Dragoon Regiment to the Air Force in May 1916 and died on July 15, 1918, at the Ferme de Jonchery in the Marne. He was cited twice. Division commendation dated April 6, 1918. Commendation from September 1922 awarding the Knight’s Cross of the Legion of Honor posthumously on behalf of the 26th Dragoons. 21 photographs—portraits, aircraft, squadron life, and his grave—along with 3 negatives in an envelope stamped “Armee d’Orient” with a modern print. A substantial collection of approximately 100 letters addressed to his family, bearing squadron stamps and letterheads from training centers, etc. 2 cards from the military aviation school: “Basic Safety Rules to Be Observed by Pilots to Avoid Most Aviation Accidents” and “Basic Principles of Aviation to Be Strictly Applied.” Copy of his missing-in-action report. French aviation. Collection relating to Pilot Lieutenant Olivier Vachee, seconded from the 26th Dragoons to the aviation branch in May 1916 and killed on July 15, 1918, at Jonchery Farm, Marne. Two divisional citations dated April 6, 1918, and a posthumous citation from September 1922 for the award of Knight of the Legion of Honor as a member of the 26th Dragoons. Twenty-one photographs depicting portraits, aircraft, squadron life, and his grave, plus three negatives in an envelope stamped “Army of the Orient” with modern prints. A significant collection of approximately 100 letters to his family bearing squadron postmarks and flying school letterheads. Two military flight school cards: *Elementary Precautions for Pilots to Avoid Most Aviation Accidents* and *Elementary Aviation Principles to Be Strictly Observed*. Copy of his missing person record.