About 50,000 TRICARE Prime retiree or TRICARE Reserve Select, TRICARE Retired Reserve or TRICARE Young Adult users in the new West region could be on the cusp of losing coverage, according to an email obtained this week by Military.com. TRICARE users in those households — about 39,000 Prime beneficiaries and 25,000 Reserve or young adult plan beneficiaries — as of Jan. 31 had not yet updated their payment information with the contractor, Health Net Federal Services. For more details, see this Military.com article.