C.R.S. § 28-3-407

The commander in chief may assign noncommissioned officers on the retired list to state active duty in recruiting, to serve upon courts-martial, courts of inquiry and board, to staff duty not involving service with troops, to be in charge of a military reservation left temporarily without officers, or to such other duties as the adjutant general may designate. Such noncommissioned officers while so assigned shall receive the full pay and allowances of their grades at time of retirement or may serve in a volunteer unpaid status.