Don Looker - Staying alert
I was a wireless operator. I rarely wore anything, because I controlled the heating and when I got everyone else warm enough, I'd be sweating … Stay alert? No trouble at all, believe me. You never made a mistake and you were as sharp as you've ever been in your life. Cause your life was on the line and those of the crew too. So no, no worry of going to sleep or dozing off or not doing your job.