Overhaul, installation, repair, and maintenance of ships and shipboard components and equipment for U.S. Navy ships, Army watercraft and other government and commercial vessels; repair and maintenance of metal tools, machinery, fabrication equipment and hull, mechanical, electrical and electronic systems; cleaning services, namely, ventilation and chemical cleaning of U.S. Navy ships, Army watercraft and other government and commercial vessels and shore based facilities; installation and connection of computer hardware, systems and networks for others; production planning, also known as planning and laying out of shore-based production facilities relating to U.S. Navy ships, Army watercraft and other government and commercial vessels; connection and integration of fiber optic cable