A twenty one year old from flower mound died Saturday during a semi annual physical readiness test at the US Naval Academy officials with the school announced in a Facebook post the midshipmen third class do Carrillo collapsed while running one and a half miles during a physical endurance test he was taken to a local hospital where he was pronounced dead shortly before twelve twenty five PM first responders or tried to resuscitate him but were unable to do so do Carrillo and his twin brother Dylan had both gone to the Naval Academy prep school in Newport Rhode Island before beginning at the Naval Academy in June twenty eighteen they were a part of the twenty twenty two class dukes older brother Jay Carrillo is also a navy Academy midshipmen a member of the class of twenty twenty