R-class Submarines
- HMS R1
- HMS R2
- HMS R3
- HMS R4
- HMS R5 *
- HMS R6 *
- HMS R7
- HMS R8
- HMS R9
- HMS R10
- HMS R11
- HMS R12
* Cancelled while under construction
Read more about this topic: British R Class Submarine
R-class Submarines
* Cancelled while under construction
Read more about this topic: British R Class Submarine