(a) General rule.--With the approval of the Governor, the Adjutant General may augment the department headquarters with qualified personnel in the following categories:
Retired Pennsylvania National Guard.
Inactive Pennsylvania National Guard.
Pennsylvania Guard.
Retired Personnel, any Federal armed service.
(b) Status of appointed personnel.--Personnel so appointed shall be assigned by the Governor and shall have all the rights, privileges and responsibilities under this title granted military personnel, and will take rank according to date of commission. Officers, warrant officers and enlisted personnel thus appointed will not be entitled to pay and allowances for drill or instruction periods but will be entitled to regular expenses as authorized when performing official duties away from home stations unless otherwise prohibited by the Constitution of Pennsylvania.
(c) Absence of headquarters staff.--During the absence of the Federally recognized Headquarters and Headquarters Detachment of the Pennsylvania National Guard under call or order in the service of the United States, the Adjutant General is authorized to form a State Staff and Detachment of the Pennsylvania Guard to carry out the duties and responsibilities of the department in connection with the military forces of this Commonwealth.