NEW : Chopper reportedly went down near 1,000-foot TV tower . ` I saw a red-glowing fireball shoot hundreds of feet up into the air , '' he told the paper . ` Crash took place during heavy fog , reports Mackley newspaper . Fourth victim in critical condition at Corpus Christi hospital , military says . 15 killed when Batten crashed in field near the Naval Mine .
NEW : Chopper reportedly went down near 1,000-foot TV tower . Crash took place during heavy fog , reports Mackley newspaper . Fourth victim in critical condition at Corpus Christi hospital , military says . 15 killed when Batten crashed in field near the Naval Mine .