Bush was born at Yale-New Haven Hospital in New Haven, Connecticut. Bush grew up in Midland, Texas. He went to a high school called Phillips Academy in Andover, Massachusetts, and graduated in 1964. He went to school at Yale University from 1964 until he graduated in 1968, with a bachelor's degree in history. He joined the Texas Air National Guard in 1968 (part of the United States National Guard) during the Vietnam War and became a fighter pilot but did not fight in the war. He left the Texas Air National Guard in 1973. In 1975 Bush earned an MBA from Harvard University.