Romanian Air Corps
The Romanian Air Corps or Aviation Corps (RAC) (Romanian: Corpul de Aviație) was the air arm of the Romanian army until the formation of the Romanian Air Force. It was established on 1 April 1913 as the Military Aeronautics Service (Serviciul de Aeronautică Militară) and subordinated to the Engineer Inspectorate, being organized in two branches – the aviation and the balloon branch.