...
Keyboard: Left CTRL
Oculus Touch: Left or Right Trigger
Vive Controller: Right Hair Trigger
Xbox Controller: Right Trigger
Note that if the VR Pointer is active, either by pointing with the Oculus Touch Controller, with the Vive Controller, or with the VR Mouse, fire is always directed to at the VR Pointer.
The following keys are used to fire the selected missile:
...