He was never granted the opportunity to be a commander of troops, but he was given the command to be the chief of staff when World War II began in 1939, Marshall was responsible for exponentially increasing the size of the U.S. Army. Marshall’s decorated military skills increased the U.S. army combat strength and it had increased more than tenfold. Marshall was the architect of this remarkable buildup and won the confidence of President Franklin Roosevelt. When the Korean War began, Truman brought Marshall out of retirement once again, this time to serve as secretary of