When Tom warns that Duke plans to blow up the ship , Doreen and Rickey lunge forward to disarm Duke , who shoots them both .
Rickey shoots Duke , allowing Tom to flee before the ship explodes .
When Tom warns that Duke plans to blow up the ship , Doreen and Rickey lunge forward to disarm Duke , who shoots them both , but Rickey shoots Duke , allowing Tom to flee before the ship explodes .