He is attacked by the Alien and disappears -- presumed dead -- leaving only his flamethrower .
After the Alien hatches from Kane 's chest and murders Brett , Dallas enters the ship 's air ducts to lure it to the airlock and eject it into space .
Kane is attacked by the Alien and disappears -- presumed dead -- leaving only Kane 's flamethrower .
After the Alien hatches from Kane 's chest and murders Brett , Dallas enters the ship 's air ducts to lure it to the airlock and eject it into space .