Va. Code Ann. § 44-204

All officers and employees of the Commonwealth, or of any political subdivision of the Commonwealth who are members of the Virginia State Defense Force or National Defense Executive Reserve shall be entitled to leaves of absence from their respective duties without loss of pay, seniority, accrued leave or efficiency rating on all days during which they shall be engaged in training approved by the Governor or his designee, not to exceed fifteen workdays per federal fiscal year. When relieved from such duty, they shall be restored to positions held by them when ordered to duty.