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.
Escadrille SPA.124 Escadrille SPA.124 of the French Air Service was established in February 1918. The members of the earlier "Escadrille N.124", more widely known as the Lafayette Escadrille, largely transferred into the United States Air Service on 18 February as the 103rd Aero Squadron. The remaining French personnel were formed into a unit operating "SPADs". In May 1918, the unit was dubbed the Escadrille Jeanne d'Arc to differentiate it from its famous predecessor.