I got this in an Amazon sale for under £5 so not much to complain about, but beware the quality of the image is poor by today's dvd standards.
That said, it does not detract from the movie which remains a good telling of a good story with a very good balance between character, plot and action. It's tense with a feeling of isolation and claustrophobia, even if they are at 10,000ft, well conveyed. Neither gun-ho nor guilt ridden enough to be classed as a classic war movie, it nevertheless flies near the top of the aircraft based films about the war.