Information regarding the Christmas Families Free Mail Service 2024 and the latest Christmas Posting Dates 2024 can be found in the Deployment Topics area on the RN Forum:
https://forum.royalnavy.mod.uk/topics/deployment/

Guidance on how to send free mail and restrictions can be found at https://www.gov.uk/bfpo

(You will need to be a member of the RN Forum and then request to join the Deployment Topic Area to access the full information)