The plans, developed by the Joint Planning Committee (which later became the Joint Chiefs of Staff), were officially withdrawn in 1939 at the outbreak of World War II in favor of five "Rainbow" plans developed to meet the threat of a two-ocean war against multiple enemies.

Rainbow-5, prepared at this time, as­sumed war with all the Axis powers and provided that America, in concert with its allies, would ini­tially take a defensive posture in the Pacific while building strength for offensive operations first in Europe, the key area.

War Department operations plan, rainbow no. 5, 1941. The joint Army and Navy basic war plan- Rainbow- no. 5 prepared under the direction of The Joint Board constitutes the basis upon which this operations plan is formulated and developed.

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Dec 18, 1996 · hearings before the joint committee on the investigation of the pearl harbor attack congress of the united states seventy-ninth congress first session pursuant to s. con. res. 27 a concurrent resolution authorizing an investigation of the attack on pearl harbor on december 7, 1941, and events and circumstances relating thereto part 33 ...

The text of basic war plan RAINBOW 5, extracted from the Hart Inquiry (Hearings before the Joint Committee on the Investigation of the Pearl Harbor Attack, 79th Congress)

Over the years Army and Navy planners had created a series of color-codenamed plans collectively called “Rainbow” that were regularly updated to reflect changing world circumstances. The president’s September 11 speech activated war plans Rainbow 5 and Indigo 3, the defense of the Philippines and Iceland, respectively.

Dec 2, 1987 · Code-named 'Rainbow Five,' the plans were drawn up at Roosevelt's order by the Joint Board of the Army and Navy. The stories were printed three days before the Japanese...

Rainbow 5 (WPL46): Rainbow 1 in first priority followed by U.S. armed forces into east Atlantic or Europe and Africa in concert with Great Britain and France.

Rainbow Four extended the United States hemispheric defense to include the rest of South America. Rainbow Five, which ultimately became the foundation for U.S. strategy during World War II,...