A GoFundMe campaign has been launched to help the family of retired Marine Master Sgt. Rodney Buentello, a Marine Corps veteran and Purple Heart recipient, who drowned after rescuing two teens, in Bandera City, Texas, on June 8.

According to Marine Corps Times, Buentello was in Bandera City Park, about an hour northwest of San Antonio, when two teenagers became caught in the undertow of the Medina River.