Mr. Cooper had Q level security clearance. He was Q before Q was Q.
"He served on the Intelligence Briefing Team for the Commander In Chief of the Pacific Fleet. William was the Petty Officer of the Watch and designated KL-47 SPECAT operator in the CINCPACFLT Command Center at Makalapa Hawaii. There he held a Top Secret, Q, SI, security clearance."
http://www.hourofthetime.com/william.htm