British Air Marshal and “Father of the RAF” who commanded the Royal Flying Corps in World War I and oversaw Britain’s offensive air strategy in World War II. TLS signed “Yours very sincerely, Trenchard,” one page, 8 x 10, October 7, 1949. Trenchard writes to American Major General L. W. Johnson. In part: “It was certainly a thrilling moment when I walked between the two lines of the joint guard of honour. I look back to that day, which I describe as ‘joining the Americans’ in the year 1918, in the first world war, and now, thirty-one years later, a joint guard of honor!… My visit to Marham brought back many memories of going there during the war. To go back with you and find it being occupied and used by the American Air Service has been a pleasure and I enjoyed every minute of it…. It was more than good of you to give me a box of cigars as I left—I feel I did not thank you enough.” In fine condition, with usual mailing folds, mild toning, and penciled secretarial notations. R&R COA.