May: Yee graduates from U.S. Military Academy at West Point, already interested in Islam.
Yee leaves active duty for Reserve status. Works to save money for Islamic studies.
Yee travels to Syria, spends next four years studying Arabic and Islam. Marries Huda Suboh in 1998.
Yee returns to the Army as a Muslim chaplain.
Spring: Assigned to Fort Lewis, Wash.
Sept. 11: Terrorist attacks mean new mission for Yee.
November: Yee assigned to Guantánamo Bay, Cuba. Falls under suspicion from new camp security officer, Jason Orlich.
May: Army counterintelligence opens preliminary inquiry into Yee after a civilian linguist reports overhearing him make subversive statements to a bed-ridden prisoner.
Camera found in translators' work area inside Camp Delta. Investigation launched into camera's owner, Air Force linguist Ahmad Al Halabi.
July 23: Al Halabi arrested passing through Jacksonville Naval Air Station on his way to Syria to get married.
Sept. 10: Yee arrested at Jacksonville Naval Air Station.
Sept. 20: First story detailing the arrest and espionage charges appears in the Washington Times. Launches frenzy in media and Congress.
Sept. 29: Ahmed Mehalba, a civilian translator at Guantánamo, arrested at Boston's Logan Airport after returning from a family visit to Cairo.
Oct. 10: Military authorities formally charge Yee with less serious offenses of mishandling classified information.
Oct. 11: Col. Jack Farr, an Army Reservist and chief of prisoner interrogations at Guantánamo, is arrested for illegally transporting classified documents.
Nov. 25: Maj. Gen. Geoffrey Miller orders Yee released from pre-trial confinement; tacks on three new charges of lying to investigators, adultery and downloading pornography on government computer.
Dec. 8: Article 32 hearing begins at Fort Benning, Ga. After two days of testimony, hearing is postponed until Jan. 19 to sort through classified- document issues.
March 19: Maj. Gen. Miller drops charges of mishandling classified information against Yee.
March 22: Miller reprimands Yee for adultery and downloading pornography at a noncriminal hearing at Fort Meade, Md. He is reassigned to Fort Lewis.
April 14: Gen. James Hill, commander of U.S. Southern Command, dismisses the written reprimand, clears Yee's record.
Aug. 27: Farr receives nonjudicial punishment for mishandling classified documents and lying to investigators.
Sept. 22: Ahmed Al Halabi pleads guilty to four lesser offenses of mishandling a classified document, taking unauthorized photographs and lying to investigators. He is sentenced to the 10 months in prison he had already served and given a bad-conduct discharge. He appeals the discharge.
Jan. 7: Yee receives honorable discharge.