Mostly people who are involved in the current state of Medal of Honor: Allied Assault!
It's such an awesome game that it deserves a second life through a powerful engine! With a possibility for the community to improve it.
Unreal Engine doesn't provide tools to convert assets on the fly! But it is very likely that you will need to acquire the game product.
Yes, there could be more features like a ranking system, more weapons, maps, gameplay features.
It's very complicated to estimate a release date with life taking over. Cannot tell sorry, but you will be thanked for your patience!
According to Unreal Engine system requirements: 8 GB RAM, Quad-Core processor and a DX11 compatible video card.
Windows is actively supported, primarily because of the huge user base and because the game is being developed on this platform.
The implementation is currently experimental, but the MOHUE client will be able to play on any MOHAA server (ver. 1.10-1.11, 2.11-2.15 and 2.30-2.40), with the soul and power of the modern engine.
In the future maybe, after the release!
No, but adding support for running MOHAA scripts in the modern engine is questionnable especially for the single player campaign.