Which forms comprise the DA Form 2166-9 Series?

• A. 2166-9-1A, 2166-9-1, 2166-9-2, and 2166-9-3
• B. 2166-9-1A, 2166-9-1B, 2166-9-2, and 2166-9-4
• C. 2166-9-1A, 2166-9-1, 2166-9-3, and 2166-9-4
• D. 2166-9-1, 2166-9-2, 2166-9-3, and 2166-9-5

Answer: (A)