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SAN ANTONIO (AP) _ An Air Force safety board is investigating the death of a 20-year-old recruit who collapsed and died at the end of a two-mile run at Lackland Air Force Base.

Base spokesman Wayne Bryant said officials did not suspend physical training at the base after Airman Basic Darryll Logans' death early Thursday.

``Everything was being done in accordance within prescribed procedures,'' Bryant said. He told the San Antonio Express-News that there is no concern ``whatsoever'' of instructor misconduct in Logans' death.

Results of an autopsy aren't expected for at least two weeks.

Logans, of Yigo, Guam, was the 10th trainee to die at Lackland since 1986 and the first since 1999 when Airman Basic Micah Schindler, 18, of St. Bernard, Ohio, died. Schindler collapsed at the end of a 5.6-mile march ending a 36-hour field training exercise.

A memorial service was planned Saturday for Logans at Lackland's Gateway Chapel.