Discharge or retirement for disability; retired list; exemption from jury duty, when

(a) Enlisted personnel of the Kansas army and air national guard who are unable, on account of permanent physical disability, to perform the duties required shall be discharged from the military service of the state under such regulations promulgated by the military board. All commissioned officers, warrant officers, and noncommissioned officers who have reached 64 years of age and those who are found to be permanently disabled through no fault of their own shall be retired from active service and placed on the retired list. Those who have served 10 years, honorably, in the military service of the United States or in any state or territory thereof and shall make application for the same may be placed upon the retired list. (b) All members of the Kansas army and air national guard shall be exempt from jury duty during annual training, during the time the member is ordered by the governor to perform active state service under K.S.A. 48-238 or 48-241, and amendments thereto, or during the time the member is ordered to perform active state service under K.S.A. 48-242, and amendments thereto.