Using the Blackburn Roc as a naval-base night fighter

How should a large force of Blackburn Rocs be used if they are not wanted on carriers?

Use them as night fighters to protect naval bases.

The scenario assumes 136 Blackburn Roc turret fighters are available but unwanted on carriers. They could instead provide shore-based night defence for naval bases. This is a narrow employment suggestion rather than a wider claim about the Roc's performance. It gives an existing, specialised airframe a mission where it might still be useful without requiring another carrier role.