Navy Federal Credit Union is a member-owned financial institution that primarily serves members of the U.S. Navy, Marine Corps, and their families. Founded in 1933, it is the largest credit union in the United States, offering a range of financial products, including savings accounts, loans, and credit cards. As a not-for-profit organization, Navy Federal aims to provide competitive rates and lower fees compared to traditional banks. Membership is open to active duty and retired military personnel, as well as Department of Defense employees and their family members, promoting financial well-being within the military community.