Does 'They were planning to hijack these planes and turn them into large guided missiles, loaded with up to 11,400 gallons of jet fuel.' stand independently of the premise 'Their plan to hijack the planes was ultimately successful.', neither following nor contradicting it?
They were planning to hijack these planes and turn them into large guided missiles, loaded with up to 11,400 gallons of jet fuel.###Their plan to hijack the planes was ultimately successful.