What is the relationship between Northwest Airlines and Eagan in the context of the input sentence. Choose an answer from: 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.

The Minnesota Vikings said Friday they want to develop the former Northwest Airlines headquarters site in Eagan with up to 3 million square feet of new uses, ranging from new housing and commercial space to team offices and practice facilities.

Answer: headquarters_location