 Complete the following phrase:  When the Korean War broke out on 25 June 1950, No. 77 Fighter Squadron of the Royal Australian Air Force RAAF was based at Iwakuni, Japan. For the previous four years the squadron, equipped with North American P-51 Mustangs, had served with the British Commonwealth Occupation Force BCOF. Personnel were preparing to return to Australia when they were placed on standby for action over Korea; the squadron began flying missions as part of United Nations UN forces a week later. Following the 