A United States Marine drill sergeant was charged on Monday in the death of a 19-year-old recruit.

Pfc. Dalton Beals, 19, was a Pennsville native. He was at boot camp at Parris Island when he died of hyperthermia – or an abnormally high body temperature.

Beals died during a 54-hour training period known as “The Crucible.” He had gone missing from his platoon for an hour and was found unconscious in the woods. The temperature outside at the time of training was above 90 degrees.

The Marine Corps has blamed Staff Sgt. Steven Smiley for the death. A report released on Monday states that Beals’ death was “likely avoidable.”

The report says, "Smiley did not have the maturity, temperament and leadership skills necessary." Also, it states he "demonstrated little leadership over his team, and at times appeared disinterested in leading or supervising them."

Smiley was charged with negligent homicide, cruelty and obstruction of justice. If convicted, he could be sentenced to three years.

The report also made recommendations to ensure other Marine recruits are safe during bootcamp. Among them are that recruits must be checked for signs of heat injury and recruits must have recovery periods from intense training.