Benefits of joining MOAA if deceased spouse is not a Life member.
https://www.moaa.org/content/topic-and-landing-pages/i-am-a-surviving-spouse/

Publications on MOAA website that can provide reference material during your difficult time.
https://www.moaa.org/content/publications-and-media/moaa-publications/moaa-publications/

Surviving Spouse Resources and Links from MOAA website.
https://www.moaa.org/content/about-moaa/meet-our-leaders/surviving-spouse-advisory-committee/surviving-spouse-resources/