Edited sentence: A middle-educated spectator cannot believe that a small team can beat a well oganized German armored division,thousand of soldier and even some 3 Stukas dive bombers (that all miss thei target) that guards the island, the fortress and the guns emplacement.Beside the actuation of the renown actors, the film do no offer any real war fighting action, that can be credible in any degree, as we can see in the other late movies as Saving Private Ryan.From the military correctness point-of-view, the action of the Allied team agains German garrison is incredible to the point of naivity.If the allied were to employ 12-24 teams as the one in Navarone, they could win the WWII in a matter of weeks and shorten the tragedy that was this world war.Not even the radar guided big guns, supposelly the best in the world, cannod get the slow moving destroyes passing close to coast (you can get hem with tank fire gron the high cost), firing to long or to short.The whole action is puerile to incredible, but saved by the great cast.if the guns are not accurate why the rush to destroy them