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The Battle of Iwo Jima was fought by the United States and Japan in February and March 1945, during the Pacific Campaign of World War II . The U.S. invasion, known as Operation Detachment, was aimed at capturing the Airfield s on Iwo Jima . The battle was marked by some of the fiercest fighting of the campaign. The Imperial Japanese Army positions on the island were heavily Fortified , with vast Bunker s, hidden Artillery , and 18 kilometers (11 mi) of tunnels. The battle was the first American attack on the Japanese Home Islands , and the Imperial soldiers defended their positions tenaciously; of the 21,000 Japanese soldiers present at the beginning of the battle, over 20,000 were killed and only 216 taken Prisoner . , the first flag was taken as a souvenir by a high ranking Navy officer. GEOGRAPHY See Also: Iwo Jima Iwo Jima is a volcanic island about 1,200 km (650 nautical miles) south of Tokyo , 1,300 km (702 nautical miles) north of Guam , and nearly halfway between Tokyo and Saipan (24.756°N, 141.290°E) It is approximately 21 square kilometers (5,200 ac), with Mount Suribachi as its most prominent feature, at its southern tip. In June 2007, the island was officially renamed Iwo To, a name that had been used by local residents before the war. The name was changed on protest from former residents and after two popular Clint Eastwood films which referenced the island as Iwo Jima. The spelling of Iwo Jima and Iwo To is the same in Japanese, only the pronounciation had changed from when Japanese soldiers arrived and pronounced it differently from the residents. BACKGROUND After the American Seizure Of The Marshall Islands and devastating Air Attacks against Truk in the Caroline Islands in February 1944, the Japanese military leadership reappraised the military situation. All indications pointed to an American drive towards the Marianas and Carolines. To counter such a move, they established an inner line of defense extending generally northward from the Carolines to the Marianas, and thence to the Ogasawara Islands . In March 1944, the Thirty-First Army, commanded by General Hideyoshi Obata , was activated for the purpose of garrisoning this inner line. The commander of the Chichi Jima Garrison was placed nominally in command of Army and Navy units in the Ogasawara Islands. Following the American seizure of bases in the Marshalls in the battles of Kwajalein and Eniwetok in February 1944, both Army and Navy reinforcements were sent to Iwo Jima. Five hundred men from the naval base at Yokosuka and an additional 500 from Chichi Jima reached Iwo Jima during March and April 1944. At the same time, with the arrival of reinforcements from Chichi Jima and the home islands, the Army garrison on Iwo Jima had reached a strength of over 5,000 men, equipped with 13 artillery pieces, 200 light and heavy machine guns, and 4,552 rifles. In addition there were numerous 120 mm coastal artillery guns, twelve heavy Anti-aircraft guns, and thirty 25 mm dual-mount anti-aircraft guns. The loss of the Marianas during the northern summer of 1944 greatly increased the importance of the Ogasawaras for the Japanese, who were well aware that the loss of these islands would facilitate American air raids against the home islands, disrupting war manufacturing and severely damaging civilian morale. Final Japanese plans for the defense of the Ogasawaras were overshadowed by the fact that the Imperial Japanese Navy had already lost most of its strength and could no longer prevent American landings. Moreover, aircraft losses throughout 1944 had been so heavy that, even if war production were not affected by American air attacks, combined Japanese air strength was not expected to increase to 3,000 aircraft until March or April 1945. Even then, these planes could not be used from bases in the home islands against Iwo Jima because their range did not exceed 900 km (559 miles); besides, all available aircraft had to be hoarded for possible use on Taiwan and adjacent islands near land bases. In a postwar study, Japanese staff officers described the strategy applied in the defense of Iwo Jima in the following terms: In the light of the above situation, seeing that it was impossible to conduct our air, sea, and ground operations on Iwo Jima toward ultimate victory, it was decided that in order to gain time necessary for the preparation of the Homeland defence, our forces should rely solely upon the established defensive equipment in that area, checking the enemy by delaying tactics. Even the Suicidal Attacks by small groups of our Army and Navy airplanes, the surprise attacks by our submarines, and the actions of parachute units, although effective, could be regarded only as a strategical ruse on our part. It was a most depressing thought that we had no available means left for the exploitation of the strategical opportunities which might from time to time occur in the course of these operations. Daily bomber raids from the Marianas hit the mainland as part of Operation Scavenger . Iwo Jima served as an early warning station which radioed reports of incoming bombers back to mainland Japan, allowing Japanese air defenses to be prepared for the arrival of American bombers. At the end of the bombers and provided a haven for Japanese naval units in dire need of any support available. The capture of Iwo Jima would eliminate these problems and provide a staging area for the eventual invasion of the Japanese mainland. The distance of B-29 raids would be nearly halved, and a base would be available for P-51 Mustang fighters to escort and protect the devastating bomber raids. Intelligence sources were confident that Iwo Jima would fall in five days, unaware that the Japanese were preparing a quintessentially defensive posture, radically departing from any of their previous tactics. So successful was the Japanese preparation that it was discovered after the battle that the hundreds of tons of Allied bombs and thousands of rounds of heavy naval gunfire left the Japanese defenders almost unscathed and ready to wreak losses on the U.S. Marines unparalleled up to that point in the Pacific War. In the light of the optimistic intelligence reports, the decision was made to invade Iwo Jima: the landing was designated Operation Detachment. PLANNING AND PREPARATION See Also: Planning for the Battle of Iwo Jima Lieutenant General Tadamichi Kuribayashi , who was assigned to command the defense of Iwo Jima by June 1944, designed a defense that broke with Japanese military doctrine, while drawing inspiration from the defense in the Battle Of Peleliu . Rather than contest a beach landing, Kuribayashi ordered the creation of strong, mutual supporting positions in depth utilized the advantages of being in a defensive position to use static and heavy weapons such as Heavy Machine Guns . The southern area around Mt. Suribachi was organized as a semi-independent sector, while the main defensive line was built in the north. The nearly constant American naval and air bombardment further prompted the creation of an extensive system of tunnels, bunkers and pillboxes that greatly favored the defender. Kuribayashi expected defeat so his battle plan was to inflict heavy enemy casualties so that the United States would reconsider an invasion of the Japanese main islands. The American plan of attack was relatively straightforward. The 4th and 5th Marine Division s were to land on the southern beach and initially focus on securing Mt. Suribachi, the southern airfields and the west coast. Once this was completed, the line, reinforced by the 3rd Marine Division , would swing and advance to the northeast. BATTLE Ground fighting on the island took place over approximately 35 days, lasting from the landings of February 19 to a final Japanese charge the morning of March 26 , 1945 . Initial landings At 02:00 on , landed on the beach. The initial wave was not hit by Japanese fire for quite some time; it was the plan of Japanese General Kuribayashi to hold fire until the beach was full of American Marines and equipment. Only after the front wave of Marines reached a line of Japanese bunkers defended by machine gunners did they take hostile fire. Aside from the Japanese defenses situated on the actual "beaches", the Marines faced heavy fire from Mount Suribachi at the south of the island. It was extremely difficult for the Marines to advance because of the inhospitable terrain, which consisted of volcanic ash. This ash allowed for neither a secure footing nor the construction of defensive foxholes to protect the Marines from hostile fire. The Marines advanced slowly while taking heavy machine gun and artillery fire. Thanks to the arrival of armored units and heavy naval artillery and air units shelling Suribachi, the Marines were eventually able to advance past the beaches. By that evening the mountain had been surrounded, and 30,000 Marines had landed. About 40,000 more would follow. In the days after the landings, the Marines expected a Banzai Attack during the night. This had been the standard Japanese defense strategy in previous battles against enemy ground forces in the Pacific, during which the majority of the Japanese attackers would be killed and the Japanese strength greatly reduced. However Kuribayashi had strictly forbidden banzai charges because he considered them futile. Taking Mt. Suribachi By the morning of the fourth day of the battle, Mount Suribachi was effectively cut off from the rest of the island—above ground. By then, the Marines knew that the Japanese defenders had an extensive network of below-ground defenses, and knew that in spite of its isolation above ground, the volcano was still connected to Japanese defenders via the tunnel network. They expected a fierce fight for the summit. Two four-man patrols were sent up the volcano to reconnoiter routes on the mountain's north face. Popular legend (embroidered by the press in the aftermath of the release of the famous photo " Raising The Flag On Iwo Jima ") has it that the Marines fought all the way up to the summit. But although the riflemen were tensed for an ambush, none materialized. The riflemen did encounter small groups of Japanese defenders on Suribachi, but the majority of the Japanese troops stayed underground in the tunnel network. They attacked in small numbers, but all attackers were killed. They made it to the summit and scrambled down again, reporting the lack of enemy contact to Colonel Chandler Johnson. Johnson then called for a Platoon of Marines to climb Suribachi. With them, he sent a small American flag to fly if they reached the summit. Again, Marines began the ascent, expecting to be ambushed at any moment. And again, the Marines reached the top of Suribachi without incident. Using a length of pipe they found among the wreckage atop the mountain, the Marines hoisted the U.S. flag over Mount Suribachi, the first foreign flag to fly on Japanese soil in centuries. As the flag went up, Secretary Of The Navy James Forrestal had just landed on the beach at the foot of Mt. Suribachi. He decided that he wanted the flag as a souvenir. Popular legend has it that Colonel Johnson wanted the flag for himself; in fact, he believed that the flag belonged to the 2nd Battalion, 28th Marines, who had captured that section of the island. He sent Sergeant Mike Strank (who was photographed in the Flag Raising picture) to take a second flag up the volcano to replace the first. As the first flag came down, the second went up, and it was then that Associated Press photographer Joe Rosenthal took the famous photograph "Raising the Flag on Iwo Jima" of the replacement flag being planted on the mountain's summit. After Mount Suribachi Despite the loss of Mt. Suribachi, the Japanese still held a strong position. Kuribayashi still had the equivalent of eight infantry battalions, a tank regiment, two artillery and three heavy mortar battalions, plus the 5,000 gunners and naval infantry. The struggle to take the Motoyama Plateau, including "Turkey Knob," took nearly three weeks. The Japanese actually had the Marines outgunned in this area, and the extensive tunnels allowed the Japanese to reappear in areas thought "safe". equipped with flamethrowers were used to clear Japanese bunkers]] The fighting was extremely fierce. Japanese troops would occasionally spring out of tunnels and ambush the Marines. However, the situation heavily favored American victory despite the Japanese advantage of superior firepower. Though the Marines occasionally encountered defensive positions augmented by artillery, they were still able to advance. The Marines learned that firearms were relatively ineffective against the Japanese defenders and learned to effectively use Flamethrower s and Grenade s to flush out Japanese troops in the tunnels. One of the technological innovations of the battle, the 8 Sherman M4A3R3 medium tanks equipped with the Navy Mark I flame thrower ("Ronson" or Zippo Tanks ), proved very effective at clearing the Japanese positions. Close Air Support was initially provided by fighters from Escort Carrier s off the coast. This shifted over to the 15th Fighter Group , flying P-51 Mustang s, after they arrived on the island on March 6 . Similarly, illumination rounds (flares) which were used to light up the battlefield at night were initially provided by ships, shifting over later to landing force artillery. Navajo Code Talkers were part of the American ground communications, along with Walkie-talkies and SCR-610 backpack radio sets. Japanese troops became desperate towards the end of the battle. Kuribayashi, who had argued against banzai attacks at the start of the battle, realized that Japanese defeat was imminent. Marines began to face increasing numbers of nighttime attacks; these were only repelled by a combination of machine gun defensive positions and artillery support. At times, the marines engaged in hand-to-hand fighting to repel the Japanese attacks. Final days machine gun firing at the Japanese]] With the landing area secure, more troops and heavy equipment came ashore and the invasion proceeded north to capture the airfields and the remainder of the island. Most Japanese soldiers fought to the death. On the night of March 25 , a 300-man Japanese force launched a final counterattack in the vicinity of Airfield Number 2. Army pilots, Seabees and Marines of the 5th Pioneer Battalion and 28th Marines fought the Japanese force until morning but suffered heavy casualties—more than 100 killed and another 200 American wounded. The island was officially declared "secured" the following day. Although still a matter of speculation because of conflicting accounts from surviving Japanese veterans, it has been said that Kuribayashi led this final assault which unlike the loud banzai charge of previous battles, was characterised as a silent attack. If ever proven true, Kuribayashi will have been the highest ranking Japanese officer to have personally led an attack during World War II . Additionally, this would also be Kuribayashi's final act of departure from the normal practice of the commanding Japanese officers committing Seppuku behind the lines while the rest perished in the banzai charge, as happened during the battles of Saipan and Okinawa . AFTERMATH on Iwo Jima]] Of the over 21,000 Japanese soldiers, 20,703 died and 216 were captured during the battle. The Allied forces suffered 27,909 casualties, with 6,825 killed in action. The number of American casualties was greater than the total Allied casualties on D-Day (estimated at 10,000, compared with 125,847 American casualties during the entire Battle Of Normandy ).''D-Day and the Battle of Normandy: Your Questions Answered Written by the D-Day Museum, Portsmouth'', http://www.ddaymuseum.co.uk/faq.htm#casualities (accessed June 21, 2007). Iwo Jima was also the only U.S. Marine battle where the American casualties exceeded the Japanese.Cyril J. O'Brien, ''Iwo Jima Retrospective'', http://www.military.com/NewContent/0,13190,NI_Iwo_Jima2,00.html (last visited June 21, 2007). Because all the civilians had been evacuated, there were no civilian casualties at Iwo Jima, unlike at Saipan and Okinawa .http://hqinet001.hqmc.usmc.mil/hd/Historical/This_Month_History/03_March.htm After Iwo Jima was declared secured, the Marines estimated there were no more than three hundred Japanese left alive in the island's warren of caves and tunnels. In fact, there were close to three thousand. The Japanese Bushido code of honor, coupled with effective propaganda which portrayed American G.I.'s as ruthless animals, prevented surrender for many Japanese soldiers. Those who could not bring themselves to commit suicide hid in the caves during the day and came out at night to prowl for provisions. Many did eventually surrender and were surprised that the Americans often received them with compassion, offering water, cigarettes, or coffee.John Toland, ''The Rising Sun: The Decline and Fall of the Japanese Empire 1936-1945'', Random House, 1970, p. 731 The last of these stragglers, two of Lieutenant Toshihiko Ohno's men, Yamakage Kufuku and Matsudo Linsoki, lasted six years, surrendering in 1951John Toland, ''ibid'', p. 737 (another source gives the date of surrender as January 6, 19491). Over a quarter of the Medals Of Honor awarded to Marines in World War II were given for conduct in the invasion of Iwo Jima. The Marines, both active duty and reservists, were commended with 24 Medals of Honor. An additional five Medals of Honor were bestowed upon five Navy servicemen and reservists. Given the number of casualties, the necessity and long-term significance of the island's capture to the outcome of the war was a contentious issue from the beginning, and remains disputed. As early as April 1945 retired Chief of Naval Operations William V. Pratt asked in '' Newsweek '' magazine about the ''expenditure of manpower to acquire a small, God-forsaken island, useless to the Army as a staging base and useless to the Navy as a fleet base ... {Link without Title} wonders if the same sort of airbase could not have been reached by acquiring other strategic localities at lower cost.William V. Pratt, "What Makes Iwo Jima Worth the Price", ''Newsweek'', 2 April 1945 , 36.'' The Japanese on Iwo Jima had Radar with which they notified their comrades at home of incoming B-29s flying from the Marianas. Fighter aircraft based on Iwo Jima sometimes attacked these planes, which were especially vulnerable on their way to Japan because they were heavily laden with bombs and fuel. Although the island was used as an air-sea rescue base after its seizure, the traditional justification for Iwo Jima's strategic importance to the United States' war effort has been that it provided a landing and refueling site for American bombers on missions to and from Japan. As early as March 4 , 1945 , while fighting was still taking place, the B-29 bomber ''Dinah Might'' of the USAAF 9th Bomb Group reported it was low on fuel near the island and requested an emergency landing. Despite enemy fire, the airplane landed on the Allied-controlled section of the island, without incident, and was serviced, refueled and departed. In all, 2,251 B-29 Superfortress landings on Iwo Jima were recorded during the war. None of these calculations played much if any of a role in the original decision to invade, however, which was almost entirely based on the Army Air Force's belief that the island would be a useful base for long-range fighter escorts. These escorts proved both impractical and unnecessary, and only ten such missions were ever flown from Iwo Jima.Assistant Chief of Air Staff, "Iwo, B-29 Haven and Fighter Springboard", ''Impact'', September-October 1945, 69–71. Other justifications are also debatable. Although some Japanese interceptors were based on Iwo Jima, their impact on the American bombing effort was marginal; in the three months before the invasion only 11 B-29s were lost as a result Wesley Frank Craven and James Lea Cate, ''The Army Air Forces in World War II, vol. 5, The Pacific: Matterhorn to Nagasaki, June 1944 to August 1945'' (Chicago: University of Chicago Press, 1953), 5:581–82. The Superfortresses found it unnecessary to make any major detour around the island.Craven and Cate, ''Army Air Forces in World War II'', 5:559. The capture of Iwo Jima did not affect the Japanese early-warning radar system, which continued to receive information on incoming B-29s from the island of Rota (which was never attacked).Joint War Planning Committee 306/1, "Plan for the Seizure of Rota Island," 25 January 1945 . Some downed B-29 crewmen were saved by air-sea rescue aircraft and vessels operating from the island, but Iwo Jima was only one of many islands that could have been used for such a purpose. As for the importance of the island as a landing and refueling site for bombers, Marine Captain Robert Burrell, then a history instructor at the United States Naval Academy , suggested that only a small proportion of the 2,251 landings were for genuine emergencies, the great majority possibly being for minor technical checkups, training, or refueling. According to Burrell, ''this justification became prominent only after the Marines seized the island and incurred high casualties. The tragic cost of Operation Detachment pressured veterans, journalists, and commanders to fixate on the most visible rationalization for the battle. The sight of the enormous, costly, and technologically sophisticated B-29 landing on the island's small airfield most clearly linked Iwo Jima to the strategic bombing campaign. As the myths about the flag raisings on Mount Suribachi reached legendary proportions, so did the emergency landing theory in order to justify the need to raise that flag.Robert S. Burrell, "Breaking the Cycle of Iwo Jima Mythology: A Strategic Study of Operation Detachment". ''The Journal of Military History'' 68.4 (2004) 1143–1186.'' Nevertheless, in promoting his expanded exploration of the issue, ''The Ghosts of Iwo Jima,'' Burrell's publishers also point out that the very losses formed the basis for a "reverence for the Marine Corps" that not only embodied the "American national spirit" but ensured the "institutional survival" of the Marine Corps. 2 Legacy The United States Navy has commissioned several ships of the name USS ''Iwo Jima'' . The USMC War Memorial outside Washington, D.C. memorializes all U.S. Marines with a statue of the famous picture. On February 19 , 1985 , an event called the "Reunion of Honor" was held. It was on this day in 1945 when U.S. forces invaded Iwo Jima. The veterans of both sides who fought in the battle of Iwo Jima attended the event. The place was the invasion beach where U.S. forces landed. A Monument on which writings were engraved by both sides was built at the center of the meeting place. Japanese attended at the mountain side, where the Japanese writing was carved, and Americans attended at the shore side, where the English writing was carved. After unveiling and offering of flowers were made, the representatives of both countries approached the monument; upon meeting, they shook hands. The old soldiers embraced each other and cried. The combined Japan-U.S. Memorial Service of the 50th anniversary of the battle was held in front of this monument in March 1995. Further memorial services have been held on later anniversaries. SEE ALSO
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