Pretty sure it's Navy, including Marines, plus Navy contractors, Coast Guard, and Merchant Marines. This is from their site:
Eligibility Checklist
Navy Federal's Field of Membership is determined by the National Credit Union Administration (NCUA). If you are in any of these categories, you are eligible to join.
* All Department of the Navy (DON) Personnel—regardless of location or rank, including:
o Active duty Navy and Marine Corps
o Reservist, regardless of drilling status
o Civilian employees
* Contractors assigned to DON sites afloat or ashore
* Officer Candidate programs, NROTC, U.S. Naval Academy, U.S. Coast Guard Academy, U.S. Merchant Marine Academy
* U.S. Government—Military and civilian personnel employed by the U.S. Government assigned to, stationed at or working at a Navy installation, afloat or ashore
* Retired—from any of the categories listed above
* Family—including:
o Grandparents
o Parents
o Spouse
o Siblings
o Children (includes adopted, foster and stepchildren)
o Grandchildren
o Household Members
Once your family members have joined, they can extend the membership opportunity to their family members, too.
Because we have gone through this before on these forums, please let me observe that credit unions are membership organizations, and they are allowed to determine who meets their qualifications. This can include current employment, military status, religious affiliation, and so forth.
* Credit is a wonderful servant, but a terrible master. * Who's the boss --you or your credit?
FICO's: EQ 781 - TU 793 - EX 779 (from PSECU) - Done credit hunting; having fun with credit gardening. - EQ 590 on 5/14/2007