Utilize the input text as a context reference, choose the right relationship between flying and aviation from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Our initial designs are based on the following parameters: a targeted Mach 3 certified delta wing vehicle, a cabin design that would accommodate from 9 to 19 passengers flying in an altitude above 60,000 feet and a vehicle design that aims to help lead the way towards state-of-the-art sustainable aviation fuel.

Answer: industry