Robert Frederick Sink was born April, 1905, in Lexington, North Carolina. He joined the Army in 1924, graduating from West Point in 1927, and was commissioned as an infantry officer with the rank of 2nd Lieutenant
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In 1940 Sink was assigned to the 501st Parachute Infantry Regiment at Fort Benning. He was one of the 4% of the Army's paratroopers to qualify as a master parachutist, and liked to celebrate his birthday each year by making a jump.
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In January, 1941, he was promoted to Major and given command of the 503rd Parachute Infantry Battalion. He was promoted to Lt Colonel in February, 1942, and made Colonel in November, 1942.
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In July 1942, Sink was made commander of the 506th Parachute Infantry Regiment. He was 37 years old. He remained with the regiment throughout the war, even turning down at least 2 promotions to remain with the unit.
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He led the regiment in combat from Normandy to the end of the war when they returned to France. Thus, they gained the nickname the "Five-oh-Sink".
On August 12, 1945, he was named assistant division commander of the 101st Airborne. He returned to the U.S in Dec, 1945.
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On August 12, 1945, he was named assistant division commander of the 101st Airborne. He returned to the U.S in Dec, 1945.
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After WW2, Sink remained in the Army, & participated in the Korean War, where he was awarded 3 silver star, 2 legion of merit, and 2 bronze star medals. He commanded several divisions in the US Army until he retired in 1961 as a Lt General.
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