Utilize the input text as a context reference, choose the right relationship between Global Entry and U.S. Customs and Border Protection 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.

U.S. Customs and Border Protection meanwhile recently announced that Global Entry , a similar pre-screening program, but one aimed at international travelers, had enrolled its two millionth member.

Answer: operator