"...Congress has authorized the services to use Temporary Early Retirement Authority to reduce active-duty strength if that becomes necessary. Under that program, last used during the 1990s post-Cold War drawdown, troops can retire with as few as 15 years of service with a proportionately lesser lifetime annuity. Find out how much you would earn if you retired from a specific paygrade with less than 20 years of service — should the military offer you this option..."