The National Military Spouse Network (NMSN) - the pre-eminent networking, mentoring and professional development organization committed to the education, empowerment and advancement of military spouses.
Civilian male military spouses should know aboutMilitary Officers Association of America (MOAA) because it is a pretty influential organization that advocates for military officers and their families. Take a look at this description from MOAA's website:
MOAA is the nation's largest and most influential association of military officers. We are a powerful force speaking for a strong national defense and representing the interests of military officers and their families at every stage of their careers.