Colorado Rule of Civil Procedure 201.3(3) allows temporary admission for full-time military officers and judge advocates stationed in Colorado.
C.R.C.P 201.3(3)
A full-time commissioned officer and judge advocate of the military services of the United States stationed in this state may be temporarily admitted to the Bar of Colorado, upon request of his or her commanding officer. Such admission shall be solely for the purpose of practice and court appearance in his or her capacity as a judge advocate and shall continue only as long as he or she is serving as a judge advocate in Colorado, except that the attorney shall also be allowed to act as a pro bono/emeritus attorney as described in C.R.C.P. 223(1) below without further application or fee.