Agree 2 engines for LRMPA seems to have disadvantages
Not as many disadvantages as having no engines like our current MPA!
Saying it's a big turboprop with contra rotating props like the Shackletons and some Spitfires makes people more confident then using words like exotic "propfan"..
Bet the oppo submariners will love that thing! Won't be hard to hear that one coming, will it...?