intensity of light. Finally the light went along side my port wing, and at a distance of about 50 to 100 yards took up a course and speed identical to my own.
I found that on altering course height or speed the light did likewise, though if the change were sudden there would be a short time lag before it caught up.
By turning suddenly and steeply I was able to chase the light around in a circle until I could aim my 4x, 20mm cannons at it. This I did several trials until my ammunition was exhausted, but each time I observed no apparent change in the behaviour of the light. In due time I set course for base without completing my original mission, and the light continued to move with me. As I neared the battle front I noted that the light began to lag behind and become dimmer. Having crossed the battle line I again turned back into enemy territory and noted that the light