Oklahoma City Air Logistics Complex Commander Brig. Gen. Mark Johnson, far right, presents OC-ALC Quality Office personnel with certificates recognizing their participation in the Professional Maintenance Certification Program. Pictured with General Johnson are, from left, Eric Nichols, Sandra Davis, Jesse Roberts, Jack Haley, Leo Padron, Marcus Jahnel, Bradley Mackerelle and Christopher Walker. (Air Force photo by Terrie Goss/Released)