George W. Bushâs Military Service Timeline
May 28, 1968: Bush enlists as an Airman Basic in the 147th Fighter-Interceptor Group, Ellington Air Force Base, Houston, and is selected to attend pilot training.
July 12, 1968: A three-member board of officers decides that Bush should get a direct commission as a second lieutenant after competing airman's basic training.
July 14 - Aug. 25, 1968: Bush attends six weeks of basic training at Lackland Air Force Base, Texas.
Sept. 4, 1968: Bush is commissioned a second lieutenant and takes an 8-week leave to work on a Senate campaign in Florida.
Nov. 25, 1968 - Nov. 28, 1969: Bush attends and graduates from flight school at Moody Air Force Base, Georgia.
December 1969 - June 27, 1970: Bush trains full-time to be an F-102 pilot at Ellington Air Force Base.
July 1970 - April 16, 1972: Bush, as a certified fighter pilot, attends frequent drills and alerts at Ellington.
May 24, 1972: Bush, who has moved to Alabama to work on a US Senate race, gets permission to serve with a reserve unit in Alabama. But headquarters decided Bush must serve with a more active unit.
Sept. 5, 1972: Bush is granted permission to do his Guard duty at the 187th Tactical Recon Group in Montgomery. But Bush's record shows no evidence he did the duty, and the unit commander says he never showed up.
November 1972 - April 30, 1973: Bush returns to Houston, but apparently not to his Air Force unit.
May 2, 1973: The two lieutenant colonels in charge of Bush's unit in Houston cannot rate him for the prior 12 months, saying he has not been at the unit in that period.
May - July 1973: Bush, after special orders are issued for him to report for duty, logs 36 days of duty.
July 30, 1973: His last day in uniform, according to his records.
Oct. 1, 1973: A month after Bush starts at Harvard Business School, he is formally discharged from the Texas Air National Guard -- eight months before his six-year term expires.
Compiled from The Boston Globe, "One-year gap in Bush's National Guard duty," May 23, 2000.