Which sequence correctly describes attaching the tow bar to the C-17's nose landing gear and securing it for tow?

Which sequence correctly describes attaching the tow bar to the C-17's nose landing gear and securing it for tow?

• A. Install and secure the safety pin, attach the safety chain/retaining devices, ensure the tow bar lock engages, align tow bar to the nose gear pintle, mate the tow bar to the pintle, and perform a controlled test pull.
• B. Align the tow bar to the nose gear pintle, mate the tow bar to the pintle, install and secure the safety pin, attach the safety chain/retaining devices, ensure the tow bar lock engages, and perform a controlled test pull.
• C. Mate the tow bar to the pintle, align the tow bar to the nose gear pintle, perform a controlled test pull, install the safety pin, attach the safety chain/retaining devices.
• D. Attach the safety chain/retaining devices, align the tow bar to the nose gear pintle, install the safety pin, mate the tow bar to the pintle, and perform a controlled test pull.

Answer: (B)