138

You hurtle downwards, at a 90 degree angle to the ground, between two flaring balls of plasma. They rush past and explode, filling the tunnel behind you with burning white plasma. You straighten up and flash by over the fortress but a missile launcher has been tracking you and three sleek and deadly dart-shaped missiles fly from the launchers. Turning in unison, they streak towards you, hot on your trail, and closing fast, only metres away. Will you:

Use your electronic counter measures? Turn to 172
Try to pick them off with your aft lasers? Turn to 160