Washington (CNN) An Army staff sergeant has been charged in a June military vehicle accident that resulted in the death of a West Point cadet and injured 21 others.

Staff Sgt. Ladonies P. Strong was charged on September 13 with involuntary manslaughter, reckless operation of a vehicle and prevention of authorized seizure of property, according to a statement from the US Army. Strong also faces two specifications of dereliction of duty.

Strong is scheduled for a preliminary hearing in mid-October, according to the Army. It's unclear if Strong has an attorney.

The Army has not decided whether the charges against Strong will be referred to a court-martial, noting that the decision won't be made until after the hearing. Strong is assigned to Task Force 1-28 in Fort Benning, Georgia.

The incident remains under investigation.

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