You can also obtain them by killing, or pickpocketing Old Lady Gibson, taking her key and using it on the metal box.
If you have a Lockpick skill of 50 or higher, you can pick the lock on the metal box with the thrust controls inside it.
- Come Fly With Me - needed to fix the rockets' thrust controllers.
- There are two versions of the modules, with differing weights and values, though only the weightless and valueless one is used in the game in normal play. Both versions are marked as quest items.
- The thrust control modules have the same in-game model as scrap metal.
PC Playstation 3 Xbox 360 After completing the quest and obtaining the modules without getting them from Old Lady Gibson's metal box, you can obtain them again from the box and get another module, but since it is marked as a quest item, you will not be able to remove it from your inventory. [verified]