To his colleagues, Army Lieut. Colonel Wayne Gillespie seemed a straight-arrow soldier. A West Point graduate, he had served tours in West Germany and Viet Nam. Since 1982 Gillespie, 46, has been assigned to the Army Materiel Command in Alexandria, Va., where he worked on military projects with the U.S.'s NATO allies. But, according to FBI agents who arrested him last week, he was also part of a seven-member smuggling ring that conspired to ship antitank missiles to Iran, a country that has not legally received U.S. weapons since the takeover by Ayatullah Khomeini in 1979.
The FBI began closing in...