These three African American Amphibious Truck (DUKW) Companies were assigned to the 4th and 5th Marines along with 18 other Army support units. They participated in D day on Iwo Jima, February 19, 1945. They and their fellow Army units were highly decorated for their actions and bravery on Iwo. Their citation read as follows:
“For outstanding heroism in support of Military Operations during the seizure of enemy Japanese-held Iwo Jima, Volcano Islands, February 19 to 28, 1945. Landing against resistance which rapidly increased in fury as the Japanese pounded the beaches with artillery, rocket and mortar fire, the Support Units of the Fifth Amphibious Corps surmounted the obstacles of chaotic disorganization, loss of equipment, supplies and key personnel to develop and maintain a continuous link between thousands of assault troops and supply ships. Resourceful and daring whether fighting in the front line of combat, or serving in rear areas or on the wreck-obstructed beaches, they were responsible for the administration of operations and personnel; they rendered effective fire support where Japanese pressure was greatest; they constructed roads and facilities and maintained communications under the most difficult and discouraging conditions of weather and rugged terrain; they salvaged vital supplies from craft lying crippled in the surf or broached on the beaches; and they ministered to the wounded under fire and provided prompt evacuation to hospital ships. By their individual initiative and heroism and their ingenious teamwork, they provided the unfailing support vital to the conquest of Iwo Jima, a powerful defense of the Japanese Empire.”
Learn more about these three companies https://history.army.mil/html/topics/afam/476th_ATC/index.html
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