Army University Press
Published 7 Dec 2021On 1 April 1945, U.S. forces invaded the Japanese home island of Okinawa. It was the largest joint amphibious assault mounted during World War II in the Pacific Theater. The invasion of Okinawa was the culmination of three years of operations in the Pacific against Imperial Japan. The film explores the planning and preparation for Operation ICEBERG from September 1944 to 1 April 1945.
“Okinawa 1945: Planning Operation ICEBERG” examines the U.S. Army operations process as well as planning by echelon from field army, corps, and division with special emphasis on current Joint doctrine. This film is the first in a two-part series covering Operation ICEBERG and the U.S. Tenth Army’s securing of Okinawa.
Chapters:
Introduction – 0:08
Title Screen – 3:02
The Strategic Situation – 3:08
The Ryukyus – 8:27
U.S. Forces – 17:59
Operational Plan – 23:30
Shaping and Sustaining Operation ICEBERG – 31:20
Plan for Ground Operations – 39:47
L-Day – 46:17Doctrine:
Operations Process (ADP 5-0) – 6:00
Six Steps of Assessment (ADP 5-0) – 6:45
Intelligence Process (ADP 5-0) – 9:20
Operational Environment (JP 3-0) – 9:40
Intelligence Preparation of the Battlefield (ATP 2-01.3) – 10:05
Decisive Point (JP 5-0) – 11:10
PMESII-PT – 11:32ASCOPE – 11:56
Joint Task Force (JP 3-33) – 24:30
Joint Area of Operations (JP 3-33) – 25:20
Operational Control (JP 3-33) – 25:50
Administrative Control (JP 3-33) – 26:10
ARFOR (FM 3-94)– 26:19
Tactical Control (JP 3-33)– 27:33
JFMCC – 27:56
Shaping Operations (ADP 3-0) – 32:13
Sustaining Operations (ADP 3-0) – 36:50
Airspace Control Authority – 37:35
Field Army (FM 3-94) – 40:05
Multi-domain Fires (FM 3-94) – 42:52
Corps Operations (FM 3-94) – 44:00
Division (FM 3-94) – 44:26
