What is an attitude error and how is it corrected?

What is an attitude error and how is it corrected?

• A. Attitude error is acceleration difference
• B. Attitude error is temperature mismatch
• C. Attitude error is position error; corrected by thrusters only
• D. The attitude error is the difference between current and desired orientation; corrected by actuating control surfaces or thrusters to reduce the error.

Answer: (D)