Historical Branch, G-3 Division, Headquarters, U.S. Marine Corps
1955
Chapter | Page | ||
1. | Background | 1 | |
Strategic Situation | 1 | ||
Historical Notes | 3 | ||
Okinawa and the Okinawans | 6 | ||
2. | Planning ICEBERG | 12 | |
Strategic Concepts | 12 | ||
Command Relationships | 17 | ||
Intelligence | 19 | ||
Tactical Planning | 22 | ||
Logistical Planning | 27 | ||
3. | Preparations for the Assault | 30 | |
Training and Rehearsing | 30 | ||
Mounting and Staging for the Assault | 34 | ||
Preliminary Covering Strikes | 36 | ||
Seizure of Kerama Retto | 38 | ||
Prelanding Operations | 43 | ||
4. | Japanese Defensive Preparations | 48 | |
The Thirty-Second Army | 49 | ||
Strengthening the Defenses | 53 | ||
Reinforcing the Army | 56 | ||
Prelanding Dispositions | 59 | ||
5. | Seizure of the Beachhead | 63 | |
L-Day | 63 | ||
Severing the Island | 69 | ||
Meeting the Enemy | 77 | ||
Logistical Progress | 80 | ||
Kamikaze | 82 | ||
6. | Action in the North | 87 | |
Securing the Eastern Islands | 87 | ||
6th Marine Division Advances | 90 | ||
Battle for Motobu Peninsula | 96 | ||
Marines' "Guerrilla War" | 104 | ||
Capture of Ie Shima | 111 | ||
7. | Developing the Shuri Defenses | 119 | |
Penetrating the Outpost Line | 119 | ||
Build-up in the South | 124 | ||
Attack of 19 April | 126 | ||
Assaulting the Second Defense Ring | 131 | ||
1st Marine Division Joins the XXIV Corps | 134 | ||
8. | IIIAC Enters the Lists | 142 | |
Japanese Counterattack | 142 | ||
The Battle Lines Are Drawn | 151 | ||
Tenth Army Attacks | 160 | ||
Logistical Progress | 172 | ||
9. | Reduction of the Shuri Bastion | 176 | |
Sugar Loaf Hill | 176 | ||
Wana Draw | 185 | ||
Shuri Heights and Conical Hill | 192 | ||
Struggle in the Rain | 196 | ||
Japanese Withdrawal | 207 | ||
10. | Ushijima's Last Stand | 210 | |
Breakout to the South | 210 | ||
The Capture of Oroku Peninsula | 217 | ||
Kunishi Ridge | 228 | ||
Iheya-Aguni Operation | 243 | ||
Yaeju Dake-Yuza Dake | 244 | ||
End of Organized Resistance | 249 | ||
11. | Campaign Summary | 258 | |
The Clean-up Drive | 258 | ||
The Tenth Army's Air Force | 261 | ||
Island Command Activities | 266 | ||
Tactical Evaluation | 269 | ||
Key to Conquest | 273 | ||
Appendices | |||
I. | Bibliography | 276 | |
II. | Chronology | 281 | |
III. | Command and Staff List of Marine Units on Okinawa | 284 | |
IV. | III Amphibious Corps Task Organization | 298 | |
V. | Japanese Order of Battle | 302 | |
VI. | Marine Casualties | 305 | |
VII. | Marine and Naval Corpsmen Medal of Honor Winners | 309 | |
VIII. | Navy Unit Commendations | 313 | |
Index | 316 |