The ability to work high heat spaces, climb shipyard dry dock stairs/ladders, work in kneeling position for layout of cable runs under false decking, lift 50 pounds with 80% of work requiring carrying, pushing, and/or pulling up to 40 pounds for majority of shift while being in a standing, crouching, or walking position. Serco serves every branch of the U.S. military, numerous U.S. Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and commercial clients.