This document summary provides details on a federal contract solicitation from the Defense Health Agency. Solicitation number HT9402-23-R-0001 seeks proposals for the TRICARE Competitive Plans Demonstration project to evaluate alternative health care delivery and reimbursement models. Offerors must submit proposals by the response due date to provide managed care support services for TRICARE eligible beneficiaries in up to four geographic regions. The agency intends to award multiple contracts for base and option years with an estimated total value between $500 million to $1 billion.