With war about to break out the US had just over 31,000 officers, US enlisted men, and Philippine Scouts to defend over 7,600 islands that comprised the Philippines. There would be no time to reinforce these defenders once the hostilities broke out.
Table of Contents
US Army Forces
On November 30, 1941, the United States Army had a significant presence in the Philippine Islands, which was then a territory of the United States. The US Army personnel in the Philippines consisted of approximately 10,000 regular Army soldiers, 8,000 Philippine Scouts (Filipino soldiers who served in the US Army), and 26,000 Philippine Commonwealth Army troops (Filipino soldiers under the control of the Philippine government).
The US Army was under the command of General Douglas MacArthur, who had been appointed as the Commander of US Army Forces in the Far East in July 1941. MacArthur was responsible for the defense of the Philippines, which was seen as a key strategic location in the event of a war with Japan.
US Preparedness
Despite the large number of troops in the Philippines, the US Army was not fully prepared for a war with Japan. There were shortages of weapons, ammunition, and other supplies, and the troops were not well-trained or well-equipped. There were several reasons why the US Army was not fully prepared for the Japanese attack on the Philippines:
Limited Resources
The US Army, the 19th largest in the world, was spread thin across the globe, with troops stationed in other parts of the world. This meant that resources were limited, and the US Army had to prioritize where to allocate resources.
Underestimation of Japanese Capabilities
The US Army underestimated the capabilities of the Japanese military. They believed that the Japanese would not be able to mount a successful attack on the Philippines and were caught off guard when the Japanese launched a surprise attack.
Limited Intelligence
The US Army had limited intelligence about the Japanese military, and what they did have was often outdated or inaccurate. This made it difficult for the US Army to predict where and when the Japanese would attack.
Poor Planning
The US Army’s planning for the defense of the Philippines was flawed. They focused on defending the major cities and ports, rather than on defending the entire archipelago. This left many areas vulnerable to attack.
Shortages of Supplies
The US Army in the Philippines was short on supplies and equipment, including weapons, ammunition, and food. This made it difficult for them to mount an effective defense against the Japanese.
Japanese Attack
On December 8, 1941, the Japanese launched a surprise attack on the Philippines, just hours after attacking Pearl Harbor. The US Army and Philippine troops fought bravely, but were eventually forced to surrender on April 9, 1942, after months of intense fighting and suffering from disease and starvation. The capture of the Philippines was a major victory for Japan and a significant setback for the Allies in the Pacific Theater of World War II. The consequences of the US Army’s surrender in the Philippines were significant and far-reaching:
Loss of Territory
The surrender of the Philippines meant that the United States lost control of a major strategic location in the Pacific. The Japanese were able to use the islands as a base for further expansion and as a launching point for attacks on other Allied territories.
Prisoners of War
The US Army soldiers and Philippine troops who surrendered became prisoners of war. Many were forced to endure harsh conditions and brutal treatment at the hands of their captors, including the infamous Bataan Death March.
Propaganda Victory for Japan
The capture of the Philippines was a major propaganda victory for Japan. It demonstrated to the world that the Japanese could defeat a major Western power and strengthened their position in the Pacific.
Loss of Morale
The surrender of the Philippines was a significant blow to the morale of the US Army and the American people. It was a reminder that the war would be long and difficult, and that victory was not assured.
Retaliation
The surrender of the Philippines also led to a desire for revenge among many Americans. This desire for retaliation would later fuel the decision to drop atomic bombs on Japan.
Overall, the surrender of the Philippines was a significant setback for the Allies in the Pacific Theater of World War II and had far-reaching consequences for the war effort.
US Army Personnel in Philippine Islands: 30 November 1941 Data
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(a) Includes 31 Philippine Scout officers.
(b) According to W. F. Craven and J. L. Cate, The Army Air Forces in World War II (University of Chicago Press, 1948), I, 170, Air Corps strength on 7 December 1941 was 754 officers, 6,706 men.
(c) Includes officers for whom no unit is indicated.
Source: Watson, Mark Skinner. “Chief of Staff: Prewar Plans and Preparations.” Page 449, Table 3, Center of Military History, Library of Congress Catalog Card Number 50-62983, First Printed 1950-CMH Pub 1-1, https://history.army.mil/books/wwii/csppp/ch13.htm#t1
Other Manpower Data Links
Comparative Military Manpower Sept 1939
Military Manpower by Nation 1940 to 1945
US Military Manpower 1939 – 1945
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