] According to "60 Minutes," Killian's personal files show
] that he ordered Bush "suspended from flight status" on
] Aug. 1, 1972. National Guard documents already released
] by the White House and the Pentagon show that Bush was
] suspended from flight status on that day for "failure to
] accomplish annual medical examination" but do not mention
] his alleged failure to comply with National Guard and Air
] Force standards.
]
] In another "memo to file," dated Aug. 18, 1973, Killian
] complained that he was under pressure from his superior,
] Col. Walter B. "Buck" Staudt, to "sugar coat" Bush's
] officer evaluations. "I'm having trouble running
] interference and doing my job," he wrote in a memo titled
] "CYA." "I will not rate."

Bush disobeyed a direct order to get a medical exam.

Records Say Bush Balked at Order (washingtonpost.com)