Royal Air Force Andrews Field or more simply RAF Andrews Field (also known as RAF Andrewsfield and RAF Great Saling) is a former Royal Air Force station located 4 miles (6.4 km) east-northeast of Great Dunmow Essex, England.Originally designated as Great Saling when designed and under construction, the base was renamed as "Andrews Field" in honor of United States Army Air Forces (USAAF) General Frank M. Andrews, who was killed in an airplane crash in Iceland in May 1943.