Initially the OCU was formed from a nucleus provided by No. 16 OTU and was tasked with training crews of the "wooden wonder", the de Havilland Mosquito, in the light bomber and photo reconnaissance roles.
Initially, the OCU originated from a nucleus of No. 16 OTU and was tasked with training pilots to operate the "wooden wonder," the de Havilland Mosquito, in various roles including light bombing and photographic reconnaissance.