This airfield was started in September 1939 and opened as a Debden satellite in June 1940. 85 Squadron and 111 Squadron had short periods here. The Number 73 Squadron flew Hurricanes from here in September but they only had tents to live in, and left in November 1940 to convert to night flying. Castle Camps was exposed and windy and in 1941 some better facilities and operating runways were built.

In 1942 the Mosquitos started to assemble here in great secrecy for test flying with 157 Squadron until replaced in March 1943 by Number 605 Mosquito Squadron.

In July 1943 Castle Camps became a satellite of North Weald and the Mosquito began to be used for intruder operations, and then they developed it for bomber support operations. Mosquitos left Castle Camps in October 1943. 527 Radar Calibration Squadron replaced them until February 1944 when Spitfires arrived, then Typhoons, then Tempests, all leaving quickly. The Canadian 410 Squadron again flew Mosquitos from Castle Camps until April 1944. In July to October 1944 68 Squadron's Mosquitos also arrived, also 151 and 25 Squadron.

In 1945 307 and 85 Squadrons flew from here, also in Mosquitos.

The following is a complete list of squadrons:

85 Sqn Hurricane 23/5/40-19/8/40:3/9/40-5/9/40
73 Sqn Hurricane 5/9/40-6/11/40
157 Sqn Mosquito 18/12/41-15/3/43
605 Sqn Mosquito 15/3/43-6/10/43
456 Sqn RAAF Mosquito 29/3/43-17/8/43
527 RCS Sqn Blenheim, Hurricane, Hornet, Moth 15/6/43-28/2/44
91 Sqn Spitfire 29/2/44-17/3/44
486 Sqn RNZAF Tempest 6/3/44-21/3/44: 29/3/44-29/4/44
410 Sqn RCAF Mosquito 30/12/43-29/4/44
68 Sqn Mosquito 23/6/44-28/12/44
151 Sqn Mosquito 8/10/44-19/11/44
25 Sqn Mosquito 27/10/44-14/7/45
307 Sqn (Polish) Mosquito 27/1/45-31/5/45

The station closed in January 1946.