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Battle of Tinian
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Battle of Tinian
The Battle of Tinian was part of the Pacific campaign of World War II. It was fought between the United States and Japan on the island of Tinian in the Mariana Islands from 24 July until 1 August 1944. The battle saw napalm used for the first time.
At the Cairo Conference in December 1943, the US and British Combined Chiefs of Staff endorsed a two-pronged attack through the Central Pacific and Southwest Pacific Areas. On 12 March 1944, the Commander in Chief, Pacific Ocean Areas, Admiral Chester W. Nimitz, was directed to neutralize Truk and occupy the Mariana Islands. The Mariana Islands were targeted because of their location astride the Japanese line of communications. Tinian lay too close to Saipan to allow it to be bypassed and remain in Japanese hands. Following the conclusion of the Battle of Saipan on 9 July, Major General Harry Schmidt's V Amphibious Corps began preparations to invade nearby Tinian.
The Japanese garrison was commanded by Colonel Kiyochi Ogata, the commander of the 50th Infantry Regiment. This regiment was part of the 5,000 Army troops on the island. There were also about 4,000 Imperial Japanese Navy personnel on Tinian, the main force being the 56th Naval Guard Force, under the command of Captain Goichi Oie. Most of the island was surrounded by coral cliffs, so Ogata concentrated his forces on the southwest of the island, where the best landing beaches were located.
Major General Clifton B. Cates's 4th Marine Division landed on Tinian on 24 July 1944, supported by naval bombardment and the guns of the XXIV Corps Artillery, firing across the strait from Saipan. Instead of landing in the southwest, they landed on the northwest coast, where there were two small beaches that were lightly defended. These beaches were flanked by low coral cliffs that the marines were able to surmount with the aid of ramps mounted on modified amphibious tractors (LVTs). A successful feint in the southwest by Major General Thomas E. Watson's 2nd Marine Division distracted defenders from the actual landing site on the north of the island. The 2nd Marine Division then landed behind the 4th Marine Division. The weather worsened on 28 July, damaging the pontoon causeways and interrupting the unloading of supplies, but on 30 July the 4th Marine Division occupied Tinian Town and the airfield. Japanese remnants conducted a last stand in the caves and ravines of a limestone ridge on the south portion of the island. Although the island was declared secure on 1 August, mopping up patrols continued into 1945.
Tinian became an important base for further US operations in the Pacific. North Field became operational in February 1945 and West Field in March. The Seabees built six 8,500-foot (2,600 m) runways for the Twentieth Air Force's Boeing B-29 Superfortress bombers. Bombers based on Tinian took part in the bombing of Tokyo in March 1945 and the atomic bombings of Hiroshima and Nagasaki in August 1945.
After World War I, the United States had developed a series of contingency plans for the event of a war with Japan known as the Orange plans. These envisaged an advance through the Marshall and Caroline Islands to the Philippines, from whence Japan could be blockaded. The Mariana Islands figured only incidentally in the plans, as they lay north of the direct route between Hawaii and the Philippines. During World War II, the islands attracted the attention of naval and air strategists. At the Casablanca Conference in January 1943, the US and British Combined Chiefs of Staff had endorsed an offensive in the Central Pacific along the lines envisaged in the Orange plans. In his formulation of the strategy, the Commander in Chief, United States Fleet, Admiral Ernest J. King, specifically mentioned the Mariana Islands as "the key to the situation because of their location on the Japanese line of communications."
The Joint Chiefs of Staff envisaged the Marianas as a naval base, but another rationale for the capture of the Mariana Islands emerged with the development of the long-range Boeing B-29 Superfortress bomber. From the Mariana Islands, the B-29s could reach all the most significant industrial targets in Japan, and they could be supported by sea. The air staff planners began incorporating the Mariana Islands into their long-range plans in September 1943. The Combined Chiefs endorsed this at the Cairo Conference in December, along with a two-pronged offensive, with the Central Pacific drive in conjunction with one along the north coast of New Guinea. In response, the Commander in Chief, Pacific Ocean Areas (CINCPOA), Admiral Chester W. Nimitz, produced a campaign plan called Operation Granite, which tentatively scheduled the capture of Mariana Islands of Saipan, Tinian and Guam for November 1944 as the culmination of the Central Pacific campaign.
By February 1944, there was consideration of advancing the Operation Granite timetable by bypassing Truk and heading directly for Palau or the Marianas after the capture of the Marshall Islands. On 7 March, Nimitz and his Deputy Chief of Staff, Rear Admiral Forrest P. Sherman met with the Joint Chiefs of Staff in Washington, DC, where they were questioned by the Chief of Staff of the United States Army, General George C. Marshall, and the Chief of Staff to the Commander in Chief, Admiral William D. Leahy. Sherman argued that the neutralization of Truk required the occupation of the Mariana Islands to cut the air route to Truk from Japan. On 12 March, the Joint Chiefs of Staff directed Nimitz to neutralize Truk and occupy the Mariana Islands.
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Battle of Tinian
The Battle of Tinian was part of the Pacific campaign of World War II. It was fought between the United States and Japan on the island of Tinian in the Mariana Islands from 24 July until 1 August 1944. The battle saw napalm used for the first time.
At the Cairo Conference in December 1943, the US and British Combined Chiefs of Staff endorsed a two-pronged attack through the Central Pacific and Southwest Pacific Areas. On 12 March 1944, the Commander in Chief, Pacific Ocean Areas, Admiral Chester W. Nimitz, was directed to neutralize Truk and occupy the Mariana Islands. The Mariana Islands were targeted because of their location astride the Japanese line of communications. Tinian lay too close to Saipan to allow it to be bypassed and remain in Japanese hands. Following the conclusion of the Battle of Saipan on 9 July, Major General Harry Schmidt's V Amphibious Corps began preparations to invade nearby Tinian.
The Japanese garrison was commanded by Colonel Kiyochi Ogata, the commander of the 50th Infantry Regiment. This regiment was part of the 5,000 Army troops on the island. There were also about 4,000 Imperial Japanese Navy personnel on Tinian, the main force being the 56th Naval Guard Force, under the command of Captain Goichi Oie. Most of the island was surrounded by coral cliffs, so Ogata concentrated his forces on the southwest of the island, where the best landing beaches were located.
Major General Clifton B. Cates's 4th Marine Division landed on Tinian on 24 July 1944, supported by naval bombardment and the guns of the XXIV Corps Artillery, firing across the strait from Saipan. Instead of landing in the southwest, they landed on the northwest coast, where there were two small beaches that were lightly defended. These beaches were flanked by low coral cliffs that the marines were able to surmount with the aid of ramps mounted on modified amphibious tractors (LVTs). A successful feint in the southwest by Major General Thomas E. Watson's 2nd Marine Division distracted defenders from the actual landing site on the north of the island. The 2nd Marine Division then landed behind the 4th Marine Division. The weather worsened on 28 July, damaging the pontoon causeways and interrupting the unloading of supplies, but on 30 July the 4th Marine Division occupied Tinian Town and the airfield. Japanese remnants conducted a last stand in the caves and ravines of a limestone ridge on the south portion of the island. Although the island was declared secure on 1 August, mopping up patrols continued into 1945.
Tinian became an important base for further US operations in the Pacific. North Field became operational in February 1945 and West Field in March. The Seabees built six 8,500-foot (2,600 m) runways for the Twentieth Air Force's Boeing B-29 Superfortress bombers. Bombers based on Tinian took part in the bombing of Tokyo in March 1945 and the atomic bombings of Hiroshima and Nagasaki in August 1945.
After World War I, the United States had developed a series of contingency plans for the event of a war with Japan known as the Orange plans. These envisaged an advance through the Marshall and Caroline Islands to the Philippines, from whence Japan could be blockaded. The Mariana Islands figured only incidentally in the plans, as they lay north of the direct route between Hawaii and the Philippines. During World War II, the islands attracted the attention of naval and air strategists. At the Casablanca Conference in January 1943, the US and British Combined Chiefs of Staff had endorsed an offensive in the Central Pacific along the lines envisaged in the Orange plans. In his formulation of the strategy, the Commander in Chief, United States Fleet, Admiral Ernest J. King, specifically mentioned the Mariana Islands as "the key to the situation because of their location on the Japanese line of communications."
The Joint Chiefs of Staff envisaged the Marianas as a naval base, but another rationale for the capture of the Mariana Islands emerged with the development of the long-range Boeing B-29 Superfortress bomber. From the Mariana Islands, the B-29s could reach all the most significant industrial targets in Japan, and they could be supported by sea. The air staff planners began incorporating the Mariana Islands into their long-range plans in September 1943. The Combined Chiefs endorsed this at the Cairo Conference in December, along with a two-pronged offensive, with the Central Pacific drive in conjunction with one along the north coast of New Guinea. In response, the Commander in Chief, Pacific Ocean Areas (CINCPOA), Admiral Chester W. Nimitz, produced a campaign plan called Operation Granite, which tentatively scheduled the capture of Mariana Islands of Saipan, Tinian and Guam for November 1944 as the culmination of the Central Pacific campaign.
By February 1944, there was consideration of advancing the Operation Granite timetable by bypassing Truk and heading directly for Palau or the Marianas after the capture of the Marshall Islands. On 7 March, Nimitz and his Deputy Chief of Staff, Rear Admiral Forrest P. Sherman met with the Joint Chiefs of Staff in Washington, DC, where they were questioned by the Chief of Staff of the United States Army, General George C. Marshall, and the Chief of Staff to the Commander in Chief, Admiral William D. Leahy. Sherman argued that the neutralization of Truk required the occupation of the Mariana Islands to cut the air route to Truk from Japan. On 12 March, the Joint Chiefs of Staff directed Nimitz to neutralize Truk and occupy the Mariana Islands.
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