Merrill's Marauders (February - August 1944)
With the Japanese occupying Burma from the beginning of the war, there was no land route for supplies to China. The only way to secure a supply route was to reopen the Burma Road and destroy Japanese communications and supply lines in the process.
In August 1943 at the "Quebec Conference", President Franklin D. Roosevelt, Prime Minister Winston Churchill, and other allied leaders decided that an American Long Range Penetration Mission behind the Japanese Lines in Burma was needed to destroy the Japanese supply lines and communications and to play havoc with the enemy forces while an attempt was made to reopen the much needed Burma Road.
President Roosevelt issued a Presidential call for volunteers for "A Dangerous and Hazardous Mission". The call was answered by approximately 3,000 American soldiers. The volunteers came from State side units, from the jungles of Panama and Trinidad they came, from the campaigns of Guadalcanal, New Guinea, New Georgia they came, to answer the call, some battle scarred, some new to the ways of war, each different but with one thing in common. They Answered The Call.
The Unit was officially designated as the "5307th Composite Unit (Provisional)" Code Name: "GALAHAD", later it became popularly known as "MERRILL'S MARAUDERS" named after its leader, Brigadier General Frank Merrill. Formed into six combat teams (400 per team),color-coded Red, White, Blue, Green, Orange and Khaki, two teams to a Battalion, the rest formed the H.Q. and Air Transport Commands.
After preliminary training operations were undertaken in great secrecy in the jungles of Central India, the Marauders began the long march up the Ledo Road and over the outlying ranges of the Himalayan Mountains into Burma. The Marauders with no tanks or heavy artillery to support them, walked over 1,000 miles through extremely dense and almost impenetrable jungles and came out with glory.
In Five major (WALAWBUM, SHADUZUP, INKANGAHTAWNG, NHPUM GA, & MYITKYINA) and thirty minor engagements, they defeated the veteran soldiers of the Japanese 18th Division (Conquerors of Singapore and Malaya) who vastly outnumbered the Marauders. Always moving to the rear of the main forces of the Japanese the Marauders completely disrupted the enemy supply and communication lines, and climaxed their behind the lines operations with the capture of Myitkyina Airfield, the only all-weather airfield in Northern Burma.
The attack on Myitkyina was the climax to four months of marching and combat in the Burma jungles. No other American force except the First Marine Division, which took and held Guadalcanal for four months, has had as much uninterrupted jungle fighting service as Merrill's Marauders. But no other American force anywhere had marched as far, fought as continuously or had to display such endurance, as the swift-moving, hard-hitting foot soldiers, of Merrill's Marauders
When the Marauders attacked Myitkyina they had behind them over 800 miles of marching over jungle and mountain roads and tracks. They had to carry all their equipment and supplies on their backs and on the backs of pack mules. Re-supplied by air drops the Marauders often had to make a clearing in the thick jungle to receive the supplies.
Every wounded Marauder was evacuated, an extraordinary feat in itself. Each wounded Marauder had to be carried on a makeshift stretcher (usually made from bamboo and field jackets or shirts) by his comrades until an evacuation point was reached. These evacuation points where mostly small jungle village's, where the Marauders would then have to hack out a landing strip for the small Piper Cub Evac. Planes. The brave sergeant-pilots of the air-rescue unit would then land and take off in these very hazardous conditions, removing every seriously wounded Marauder one at a time. The small planes, stripped of all equipment except a compass, had room for the pilot and one stretcher.
At the end of their campaign all remaining Marauders still in action were evacuated to hospitals suffering from tropical diseases, exhaustion, and malnutrition or as the tags on their battered uniforms said "A.O.E." (accumulation of everything).
For their accomplishments in Burma the Marauders were awarded the "DISTINGUISHED UNIT CITATION" in July, 1944. However in 1966 this award was redesignated as the "PRESIDENTIAL UNIT CITATION" which is awarded by the President in the name of Congress. The Marauders also have the extremely rare distinction of having every member of the unit receive the "BRONZE STAR".
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The newly formed 5307 Composite Unit (Provisional) was put to the task. It was a group of 3,000 men, including 14 Military Intelligence Service (MIS) soldiers, who had all volunteered for "a dangerous and hazardous mission" codenamed GALAHAD, under the leadership of Brigadier General Frank A. Merrill.1
From February to August 1944, the Merrill's Marauders, as the unit was later dubbed, played a part in the operations. Its main goal was to clear the north Burma area of Japanese troops and capture the town of Myitkyina, the capital city of the Kachin state and the country's northernmost port.
From their training grounds in India, the Marauders marched up the Ledo Road and through more than 1,000 miles of the Himalayan mountain ranges into Burma. Trained in jungle warfare, the Marauders trekked through miles of dense, mountainous jungle.
Along with enemy fire, they faced tropical disease and monsoon rains. They carried their gear on their backs or on mules.2 The soldiers participated in five major engagements (Walawbum, Shaduzup, Inkangahtawng, Nhpum Ga, and Myitkyina) and 30 minor ones altogether.
Merrills Marauders
actual footage
Merrill's Marauders Dangerous Missions
COMPLETE BOOK
https://history.army.mil/books/wwii/marauders/marauders-fw.htm
Go For Broke - an excelelnt history
Library of Congress
https://www.loc.gov/vets/stories/cbi-marauders.html