did not formally utilize joint/combined staff at the operational level, the command structures/geographical areas of operations of the Nanpo gun and Rengō Kantai overlapped each other and those of the Allies. Major campaigns Battle of the Philippines (1941–1942) Battle of Bataan Battle of Corregidor Dutch East Indies campaign, 1941–1942 Battle of Badung Strait, 19–20 February 1942 Battle of the Java Sea, 27 February 1942 Battle of Sunda Strait, 28 February – 1 March 1942 Second Battle of the Java Sea, 1 March 1942 Solomon Islands campaign, 1943–1945 New Georgia Campaign, June–August 1943 Battle of Kula Gulf, 6 July 1943 Battle of Kolombangara, 13 July 1943 Battle of Vella Gulf, 6–7 August 1943 Naval Battle of Vella Lavella, 6–7 October 1943 Battle of the Treasury Islands, 27 October-12 November 1943 Battle of Empress Augusta Bay, 2 November 1943 Battle of Cape St. George, 25 November 1943 Bougainville Campaign, November 1943 – August 1945 New Guinea campaign, 1942–1945 Battle of Rabaul, January–February 1942 Invasion of Salamaua–Lae, March 1942 Battle of the Coral Sea, 4–8 May 1942 Invasion of Buna-Gona, July 1942 Kokoda Track campaign, July–November 1942 Battle of Milne Bay, August–September 1942 Battle of Goodenough Island, October 1942 Battle of Buna-Gona, November 1942 – January 1943 Battle of Wau, January 1943 Battle of the Bismarck Sea, 2 March 1943 Operation Chronicle, 1943 Landing at Nassau Bay, 1943 Salamaua-Lae campaign, April–September 1943 Finisterre Range campaign, September 1943 – April 1944 Huon Peninsula campaign, September 1943 – March 1944 New Britain campaign, 26 December 1943 Admiralty Islands campaign, 29 February 1944 Invasion of Hollandia and landing at Aitape, 22 April 1944 Battle of Biak, 27 May 1944 Battle of Noemfoor, 2 July 1944 Battle of Morotai, 15 September 1944 Aitape-Wewak campaign, November 1944 Battle of Timor, 1942–1943 Philippines campaign (1944–1945) Battle of Leyte, October–December 1944 Battle of Leyte Gulf, 23–26 October 1944 Battle of Mindoro, December 1944 Battle of Lingayen Gulf, January 1945 Battle of Luzon, January–August 1945 Battle of Manila, February–March 1945 Battle of Corregidor, February 1945 Invasion of Palawan, February–April 1945 Battle of the Visayas, March–July 1945 Battle of Mindanao, March–August 1945 Battle of Maguindanao, January–September 1945 Borneo campaign, 1945 Battle of Tarakan, May–June 1945 Battle of North Borneo, June–August 1945 Battle of Balikpapan, July 1945 See also American-British-Dutch-Australian Command Notes References Further reading - Translation of the official record by the Japanese Demobilization Bureaux detailing the Imperial Japanese Army and Navy's