Following the Japanese surrender some consideration was given to retaining the flight as part of the RAAF, but it instead ceased to function in December 1945 and was disbanded in March 1946.

201 Flight was formed at RAAF Station Laverton on 10 March 1945 as radio and radar experimentation unit.

Its specific role was to use modified B-24 Liberator heavy bombers to determine the characteristics of Japanese radar stations so that they could be effectively attacked by Allied aircraft.

In order to further protect secrecy the flight's personnel were not briefed on the purpose of the unit and its aircraft beyond their individual responsibilities.

201 personnel were transferred to Darwin in the Northern Territory to prepare for operations while the rest of the unit remained at Ascot Vale until the B-24s were ready.

[4] The Ascot Vale element of the flight moved to Laverton on 9 October, and the Darwin detachment arrived there on the 16th of the month.