Export success could revive a supersonic Harrier successor

Could strong Invincible and Harrier exports have restarted the P.1154 program?

Potentially; enough foreign orders could fund a new development path instead of later Harrier variants.

Export volume changes the economics of an otherwise abandoned aircraft. If several navies bought the Invincible and Harrier combination, they would create a larger shared market for a successor. That demand could justify restarting P.1154 development. The result might replace later incremental Harrier variants with a more ambitious common V/STOL aircraft.