Under standard United States military retirement systems, completing exactly eight years of active-duty service does not qualify a service member for an immediate non-disability active-duty retirement pension, which traditionally requires a minimum of twenty years of qualifying service. However, service members enrolled in the Blended Retirement System benefit from government-contributions matching through the Thrift Savings Plan, which accumulates portable retirement savings throughout their active-duty tenure regardless of whether they reach the twenty-year mark required for a traditional monthly pension payout.