There was a major reorganisation in April 1945 for the planned invasion of Japan. All Army forces in the Pacific were placed under MacArthur's command, including those in Nimitz's Pacific Ocean Areas. A new command was formed, Army Forces Pacific (AFPAC), with GHQ operating as the headquarters of both AFPAC and SWPA. Units in POA remained under Nimitz's operational control, and the first major formation, the Tenth United States Army, did not pass to AFPAC control until 31 July 1945. SWPA, together with the Allied Air Forces, Allied Naval Forces and Allied Land Forces, was abolished on 2 September 1945, but GHQ remained as GHQ AFPAC.