Cause of death determined for Ohio Guardsman who died in training

An Ohio Army National Guardsman died during training in Indiana, the military announced late Monday.

Capt. Brian A. Stillman was involved in a land navigation exercise at Camp Atterbury, Indiana when he collapsed around 12:30 p.m. Friday, according to the Guard.

Stillman, 43, lived in Norton near Akron.

Autopsy results determined the cause of death was a heart attack, according to National Guard spokeswoman Stephanie Beougher.

The soldier, a 19-year-member of the Guard, was an operations officer for the 2nd Battalion, 174th Air Defense Artillery Brigade in McConnellsville. He is survived by a wife and two children.

In recent years, the air defense unit has deployed to Washington, D.C., to safeguard the skies around the nation’s capital.

Additional information was not immediately available.

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