I'm sorry but I just can't help myself. The Aden is a 30mm cannon that was never fitted to Tornados. The Mauser that is fitted to the GR4 is a 27mm cannon.
We often complain about the inaccuracy of journalists when it comes to matters of defence so we really should hold ourselves to the highest standards in this regard.
Your suggestion had some validity but was ruined in the execution.
Now take yourself off to a quiet corner and self flaggelate please.
BV