He crawls along the log to the point that is closest to the machine gun. Then he draws a few deep breaths in a row, rises to a crouch, and vaults over the log! He has a clear view of the cave entrance now, the comet-shaped muzzle flash of the machine gun tesselated by the black grid of the net that they put up to reject incoming grenades. It is all remarkably clear. He looks back over the beach and sees motionless corpses.