No.11 Group was a part of which air force that emerged as the largest air force in the world in 1918?
No. 11 Group RAF No. 11 Group was a group in the Royal Air Force for various periods in the 20th century, finally disbanding in 1996. Its most famous service was during 1940 when it defended London and the south-east against the attacks of the Luftwaffe during the Battle of Britain.
Jagdstaffel 33 Royal Prussian Jagdstaffel 33 was a "hunting group" (i.e., fighter squadron) of the "Luftstreitkräfte", the air arm of the Imperial German Army during World War I. As one of the original German fighter squadrons, the unit would score a minimum of 46 verified aerial victories (the squadron's records being grossly incomplete from August 1918 onwards).