This document is a diploma certifying that Christopher Brown successfully completed the Chemical Operation Specialist class 005-89 from October 31, 1988 to February 15, 1989 at the Uniw\ Af111-Y CIie1q. St')t¢'~ort.~cCrefLln. Af461111zq lcczr schoo. It was issued on February 15, 1989 and signed by the Commandant to recognize Christopher Brown's achievement.