As used in this chapter, unless the context requires a different meaning: “Employee” means any (i) member of the Capitol Police Force as described in § 30-34.2:1, (ii) campus police officer appointed under the provisions of Article 3 (§ 23.1-809 et seq.) of Chapter 8 of Title 23.1, (iii) conservation police officer in the Department of Wildlife Resources appointed under the provisions of Chapter 2 (§ 29.1-200 et seq.) of Title 29.1, (iv) special agent of the Virginia Alcoholic Beverage Control Authority appointed under the provisions of Chapter 1 (§ 4.1-100 et seq.) of Title 4.1, (v) law-enforcement officer employed by the Virginia Marine Resources Commission as described in § 9.1-101, (vi) correctional officer as the term is defined in § 53.1-1, and including correctional officers employed at a juvenile correction facility as the term is defined in § 66-25.3, (vii) parole officer appointed pursuant to § 53.1-143, (viii) commercial vehicle enforcement officer employed by the Department of State Police, (ix) full-time firefighter employed by the Department of Military Affairs, and (x) conservation officer of the Department of Conservation and Recreation appointed under the provisions of Article 4 (§ 10.1-115 et seq.) of Chapter 1 of Title 10.1. “Member” means any person included in the membership of the Retirement System as provided in this chapter. “Normal retirement date” means a member’s sixtieth birthday. “Retirement System” means the Virginia Law Officers’ Retirement System.