What was the name of the plan developed by author Ian Fleming — then working British Department of Naval Intelligence — to monitor Spain and potentially defend Gibraltar during WWII?

What was the name of the plan developed by author Ian Fleming — then working British Department of Naval Intelligence — to monitor Spain and potentially defend Gibraltar during WWII?

Operation Goldeneye
Operation Thunderball
Operation Moonraker
Operation Goldfinger
Operation No

The correct answer is Operation Goldeneye