All officers of the Kansas army and air national guard in the line and in all of the departments and corps, shall hold their positions until they have reached the age of sixty-four (64) years unless the same shall have been terminated according to federal law. Upon the recommendation of the adjutant general, the governor may order any person on the state retired list to active service of the state for the purpose of serving on military courts or boards or performing staff duty in or with the active militia and in time of emergency to perform any military duty in or with the active militia. In any such case, the person so ordered shall rank in his or her grade from the date of such order. Pay and allowances while on active service of the state shall be as provided for in Kan. Stat. Ann. § 48-225, or any amendments thereto, except that time spent on the state retired list shall not be credited in the computation of seniority or pay.