RAF Birch is located in Essex. The airfield is located 2 miles northeast of Tiptree. Opened in 1942 it was used by both the Royal Air Force and United States Army Air Forces. During the war, it was used primarily as a reserve transport airfield. It was closed after the war, in late 1945.
For more information go to: http://www.ukairfields.org.uk/birch.html