Utilize the input text as a context reference, choose the right relationship between Somalia and African Union 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.

Support to the African Union Mission in Somalia has been in the form of training, equipment, and logistics.

Answer: member_of