Royal Flying Corps was created in 1912.
Royal Flying Corps ended in 1918.
Royal Logistic Corps was created in 1993.
Royal Pioneer Corps was created in 1939.
Royal Armoured Corps was created in 1939.
Royal Defence Corps was created in 1917.
Royal Corps of Transport was created in 1965.
Royal Corps of Signals was created in 1920.
Royal Observer Corps was created in 1925.
The "Royal Flying Corps". It evolved into the RAF on the 1st April 1918
Royal Canadian Postal Corps was created in 1914.
Royal Australian Corps of Signals was created in 1906.