businesses critical to maintaining national security
The term “businesses critical to maintaining national security” means those businesses that manufacture or produce aerospace-related products, civil or defense, including those that design, integrate, assemble, supply, maintain, and repair such products, and other businesses involved in aerospace-related manufacturing or production as further defined by the Secretary, in consultation with the Secretary of Defense and the Secretary of Transportation. For purposes of the preceding sentence, aerospace-related products include, but are not limited to, components, parts, or systems of aircraft, aircraft engines, or appliances for inclusion in an aircraft, aircraft engine, or appliance.