One Hundred Years of Flight USAF Chronology ... - The Air University

e equipped with more than 1,000 aircraft that could be used in combat.
Air Corps aircraft not assigned to General Headquarters Air Force
would be used for garrison duty, Army observation, and training.
November 27: The Army accepted delivery of its first production-model
Martin B–10, the nation’s first all-metal monoplane bomber produced
in quantity. The twin-engine airplane featured an internal bomb bay,
retractable landing gear, rotating gun turret, and enclosed cockpit. A
precursor of World War II bombers, the B–10 could fly faster than contemporary
pursuit aircraft and much faster than previous biplane and
triplane bombers.
The Martin B–10 bomber featured an enclosed cockpit and retractable landing
gear.
1934
Airmail control officer dispatching a Douglas O–25C at Boise, Idaho
1933–34
February 19: After President Franklin D. Roosevelt cancelled existing airmail
contracts with commercial airlines because of perceived fraud
and collusion, the Air Corps began delivering airmail. The Army initially
flew 18 routes, with 62 trips a day—fewer than the commercial
carriers had flown. However, the Air Corps could not handle this on
just a 10-day notice, so the routes and schedules had to be reduced.
31