United States Army | British Army | Union Army | Army | Red Army | United States Army Corps of Engineers | Confederate States Army | United States Army Air Forces | Australian Army | Indian Army | French Army | British Indian Army | Provisional Irish Republican Army | Imperial Japanese Army | army | United States Army Reserve | Continental Army | People's Liberation Army | Army of the Potomac | Irish Republican Army | German Army | Canadian Army | Yugoslav People's Army | United States Army Air Corps | People's Liberation Army Navy | Pakistan Army | Territorial Army (United Kingdom) | Soviet Army | Royal Army Medical Corps | Territorial Army |
Called to active duty with Douglas O-38 and North American O-47 observation planes on 15 October 1940, the 107th was sent to the airfield at Camp Beauregard, Louisiana for unit training on 28 October 1940.