Knowledge (XXG)

Operation Z (1944)

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fishermen and taken prisoner. The documents floated in the water just offshore and were picked up by a shopkeeper with the help of his neighbor. They were turned over to a guerilla and sent to the American forces for analysis. A clandestine high-priority
135:, who was in the second plane (not Koga's). After extricating himself from the wreckage, he was able to locate land and began to swim ashore. After spending hours in the ocean, all the while approaching the coastline, he was spotted by some 186:, commander-in-chief of the Pacific Fleet (and Admiral Koga's counterpart). Among other things, planned Japanese diversionary tactics were now anticipated by the Americans, leading to the lopsided American victory in the 126:
Throughout the spring of 1944, the aircraft losses for the Japanese continued to mount which was severely endangering the success of the operation; however the death knell occurred on March 31, 1944, when
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picked up the documents, along with 40 American men, women and children. Traveling mostly on the surface for speed, and diving only when needed, the submarine survived
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twice, arriving near the American naval base in Darwin, Australia on May 19. From there, the documents were flown to Brisbane.
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and some of his staff were killed in two separate plane crashes, while the remainder were captured. Among those captured was
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battle in history, and one of the decisive battles of the Pacific war. After the loss of the plans, Admiral
90:. The operation called for the utilization of the remaining approximately 1,055 land-based aircraft in the 23: 473: 365: 149: 118: 511: 67: 424:. Vol. 29: United-Zoroastrianism (15th ed.). Chicago, IL: Encyclopædia Britannica, Inc. 490: 480: 454: 448: 435: 425: 400: 179: 166:, rather than code, and were translated on an urgent basis by the top five translators at the 394: 110:, one final battle that would devastate the American forces and force them to sue for peace. 191: 132: 103: 95: 63: 51: 31: 106:
and their 450 or so aircraft assisting in the defense. The plan was intended to create the
136: 55: 199: 183: 156: 505: 416: 128: 107: 79: 47: 195: 27: 174:, it was first translated by Yoshikazu Yamada and George "Sankey" Yamashiro, two 59: 198:, Koga's successor, rewrote the plans in a more aggressive manner and named it 366:"The "Z Plan" Story Japan's 1944 Naval Battle Strategy Drifts into U.S. Hands" 163: 99: 70:, the Japanese lost 300 aircraft and some 200,000 tons of merchant shipping. 141: 145: 91: 475:
The Rising Sun, The Decline and Fall of the Japanese Empire: 1936–1945
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Japanese World War II plan for the defense of the Marianas Islands
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translators. Copies of the translation were rushed to General
102:. The plan's success also called on a naval force of around 9 78:
With the impending invasion of the Marianas Islands, Admiral
354:"Congressional Record (108th Congress). Volume 150, Part 18" 218:
Some sources call this operation "Operation A", or "Z Plan".
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Saipan: The Battle That Doomed Japan in World War II
472: 415: 88:Combined Fleet Secret Operations Order No. 73 8: 447:Roehrs, Mark D.; Renzi, William A. (2015). 335: 22:was a defensive plan put into place by the 172:Allied Translator and Interpreter Section 324: 260: 182:, who quickly forwarded them to Admiral 245: 231: 211: 300: 288: 284: 282: 280: 271: 148:of evacuating American refugees. The 7: 312: 256: 254: 241: 239: 237: 235: 122:Fukudome and Koga in summer of 1943. 84:Imperial Japanese Navy General Staff 380:from the original on August 6, 2014 14: 479:. New York, NY: Modern Library. 393:Hallas, James H. (2019-05-01). 50:military set their eyes on the 414:Hoiberg, Dale H., ed. (1993). 1: 168:Military Intelligence Service 162:The Z Plan documents were in 453:. Armonk, NY: M. E. Sharpe. 399:. Rowman & Littlefield. 364:Bradsher, Greg (Fall 2005). 188:Battle of the Philippine Sea 144:pickup was arranged, with a 450:World War II in the Pacific 533: 352:Anon (November 19, 2004). 86:, with a formal title of 422:Encyclopædia Britannica 336:Roehrs & Renzi 2015 517:World War II espionage 123: 114:Cessation of operation 121: 34:, and in particular, 74:Defense of Marianas 46:Early in 1944, the 124: 370:Prologue Magazine 180:Douglas MacArthur 104:aircraft carriers 98:, and in western 54:after landing on 524: 498: 478: 464: 443: 419: 410: 389: 387: 385: 360: 358: 339: 333: 327: 322: 316: 315:, p. S11618 310: 304: 298: 292: 286: 275: 269: 263: 258: 249: 243: 219: 216: 192:aircraft carrier 170:attached to the 133:Shigeru Fukudome 96:Caroline Islands 68:this bombardment 64:Caroline Islands 52:Marshall Islands 32:Marianas Islands 532: 531: 527: 526: 525: 523: 522: 521: 502: 501: 487: 467: 461: 446: 432: 413: 407: 392: 383: 381: 363: 356: 351: 348: 343: 342: 334: 330: 323: 319: 311: 307: 299: 295: 287: 278: 270: 266: 259: 252: 244: 233: 228: 223: 222: 217: 213: 208: 116: 76: 56:Kwajalein Atoll 44: 17: 12: 11: 5: 530: 528: 520: 519: 514: 504: 503: 500: 499: 485: 465: 459: 444: 430: 411: 405: 390: 361: 347: 344: 341: 340: 328: 317: 305: 293: 276: 264: 250: 248:, p. 1014 230: 229: 227: 224: 221: 220: 210: 209: 207: 204: 200:Operation A-Go 190:, the largest 184:Chester Nimitz 157:depth charging 115: 112: 75: 72: 43: 40: 30:to defend the 15: 13: 10: 9: 6: 4: 3: 2: 529: 518: 515: 513: 510: 509: 507: 496: 492: 488: 486:0-8129-6858-1 482: 477: 476: 470: 466: 462: 460:9781317451495 456: 452: 451: 445: 441: 437: 433: 431:0-85229-571-5 427: 423: 418: 412: 408: 406:9780811768436 402: 398: 397: 391: 379: 375: 371: 367: 362: 355: 350: 349: 345: 338:, p. 133 337: 332: 329: 326: 325:Bradsher 2005 321: 318: 314: 309: 306: 302: 297: 294: 291:, p. 479 290: 285: 283: 281: 277: 274:, p. 478 273: 268: 265: 262: 261:Bradsher 2005 257: 255: 251: 247: 242: 240: 238: 236: 232: 225: 215: 212: 205: 203: 201: 197: 193: 189: 185: 181: 177: 173: 169: 165: 160: 158: 154: 153: 147: 143: 138: 134: 130: 129:Mineichi Koga 120: 113: 111: 109: 108:Kantai Kessen 105: 101: 97: 93: 89: 85: 81: 80:Mineichi Koga 73: 71: 69: 65: 61: 57: 53: 49: 48:United States 41: 39: 37: 33: 29: 25: 21: 474: 469:Toland, John 449: 421: 417:"World Wars" 395: 382:. Retrieved 373: 369: 331: 320: 308: 303:, p. 39 296: 267: 246:Hoiberg 1993 214: 196:Soemu Toyoda 161: 151: 125: 87: 77: 45: 28:World War II 19: 18: 512:Pacific War 301:Hallas 2019 289:Toland 1970 272:Toland 1970 146:cover story 20:Operation Z 506:Categories 346:References 164:plain text 100:New Guinea 42:Background 495:77-117669 384:August 2, 313:Anon 2004 226:Footnotes 142:submarine 471:(1970). 440:91-75907 378:Archived 152:Crevalle 137:Filipino 92:Marianas 24:Japanese 26:during 493:  483:  457:  438:  428:  403:  94:, the 36:Saipan 376:(3). 357:(PDF) 206:Notes 176:nisei 491:LCCN 481:ISBN 455:ISBN 436:LCCN 426:ISBN 401:ISBN 386:2014 150:USS 60:Truk 508:: 489:. 434:. 420:. 374:37 372:. 368:. 279:^ 253:^ 234:^ 202:. 62:, 38:. 497:. 463:. 442:. 409:. 388:. 359:.

Index

Japanese
World War II
Marianas Islands
Saipan
United States
Marshall Islands
Kwajalein Atoll
Truk
Caroline Islands
this bombardment
Mineichi Koga
Imperial Japanese Navy General Staff
Marianas
Caroline Islands
New Guinea
aircraft carriers
Kantai Kessen

Mineichi Koga
Shigeru Fukudome
Filipino
submarine
cover story
USS Crevalle
depth charging
plain text
Military Intelligence Service
Allied Translator and Interpreter Section
nisei
Douglas MacArthur

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