So, in a galaxy far, far away.
Luke Skywalker is in his X-wing and he is approaching the Death Star. Lots of X-wings, A-wings, Y-wings, TIE fighters and TIE interceptors swerving around. The fight is on for some time now. He has to get to the Meridian trench. The Meridian trench is the only approach to the thermal exhaust port - if weaponry was fired into it, the...