201st Airlift Squadron, a unit of the United States District of Columbia Air National Guard
•
Escuadrón 201, a unit of the WWII Mexican Expeditionary Air Force
The Sabre Squadron | No. 33 Squadron RAF | No. 263 Squadron RAF | squadron | Pacific Squadron | No. 45 Squadron RAF | No. 127 Squadron RAF | No. 617 Squadron RAF | No. 43 Squadron RAF | No. 38 Squadron RAF | No. 201 Group RAF | No. 107 Squadron RAF | German East Asia Squadron | Far East Squadron | Squadron (aviation) | No. 77 Squadron RAAF | No. 71 Squadron RAF | No. 49 Squadron RAF | No. 48 Squadron RAF | No. 2 Squadron RAF | No. 233 Squadron RAF | No. 133 Squadron RAF | CIE 201 Class | Asiatic Squadron | 44th Fighter Squadron | 24th Tactical Air Support Squadron | 160th Fighter Squadron | Volunteer Gliding Squadron | U.S. Route 201 | Squadron Sinister |
By the outbreak of World War II in September 1939, Londons equipped 201 Squadron RAF which was by now stationed at Sullom Voe in Shetland, and 202 Squadron RAF at Gibraltar.