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U.S. Air Force photo: Staff Sgt. Alexxis Mercer U.S. Air Force Senior Airman Corey Masquef, 27th Special Operations Civil Engineer Squadron pavement and construction equipment apprentice, utilizes a motor grader to clear areas of the main gate Jan. 5 at Cannon Air Force Base. Pavement and construction equipment Air Commandos have the critical task of constructing and maintaining concrete and asphalt runways, roads, operating and maintaining heavy construction equipment such as, loaders, graders, dozers, dump trucks, transporting construction equipment and materials, and ensuring compliance with all safety and environmental regulations.