Utilize the input text as a context reference, choose the right relationship between Virgin Galactic and space tourism 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.

In the wake of the accident, Virgin Galactic informed ticket holders it would be unable to give a set date for the first space tourism flight.

Answer: industry