GS0411: Educational services in the nature of providing training in the use, operation, maintenance, repair, and overhaul of aircraft, spacecraft, autonomous vehicles, drones, and unmanned aerial vehicles (UAVs) and providing online publications in the nature of books and educational training manuals all in the field of aircraft, spacecraft, autonomous vehicles, drones, and unmanned aerial vehicles (UAVs)
GS0371: Maintenance and repair of aircraft, spacecraft being space vehicles, autonomous air vehicles, drones, and unmanned aerial vehicles (UAVs), and structural parts therefor; Combustion engine end cover overhaul services for aircraft, spacecraft being space vehicles, drones, and unmanned aerial vehicles (UAVs); technical support services, namely, providing technical advice in the field of engine overhaul and repair for aircraft, spacecraft being space vehicles, drones, and unmanned aerial vehicle (UAV)