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.

As expected, regional aircraft have been affirmed as fundamentally important to most countries' domestic transportation networks with regional aviation generally resuming flying earlier and in a quicker pace than long haul travel.

Answer: industry