The site was chosen for an advanced landing ground in July 1942 and construction work on the 300-acre (1.2 km2) site of flat marshland commenced in 1943, it was due to open on 1 March 1943 but was not ready for occupation until September and the airfield opened as RAF Brenzett as part of RAF Fighter Command on 14 September 1943 with two Sommerfeld Tracking runways. The locals referred to the airfield as Ivychurch after the nearest village. The airfield eventually had five blister hangars for the aircraft but most of the personnel were housed in a tented camp.
The first unit to use the airfield was 122 Sqn with Supermarine Spitfires in August 1943 who used it relieve pressure on their home airfield of RAF Kingsnorth five miles (8 km) to the north. The airfield was not used to support the D-Day landings but in July 1944 a Mustang Wing (No 133 Polish Fighter Wing) with three squadrons was based there, mainly on anti-flying bomb patrols.
The United States Army Air Corps designated the airfield Station Number 438. The main American unit was Battery C, 635 AAA (Anti-aircraft Artillery), Automatic Weapons Bn, IX Air Defence Command.
The Mustang wing left in October 1944 and the airfield was no longer needed, and closed on 13 December 1944, returning to agricultural use. In 1972 the Brenzett Aeronautical Museum, a military and aviation museum, was opened near the site in buildings formerly occupied by the Women's Land Army.
Jefford, C.G, MBE,BA,RAF (Retd). RAF Squadrons, a Comprehensive Record of the Movement and Equipment of all RAF Squadrons and their Antecedents since 1912. Shrewsbury, Shropshire, UK: Airlife Publishing, 1988. ISBN 1-84037-141-2.