Just a small thing, it's just the British Army, a leftover present from Oliver Cromwell.
Furthermore, I'd suggest not changing the name of the MOD, because I thought it up

Which you can go ahead and use by the way

Anything based of the excellent PTEAP can have my first born child as far as I'm concerned
Also, back when PTEAP was around, I created an (Impressive

) British OOB. I don't actually have it, but a forumer named Carlstadt Boy does as far as I know.
Not quite sure where it'll fit in with your version of the British Empire, but it's definately looking into, even if just for the first version. It included acurate army postioning/names, a historical mix of real, IRL scuttled and fictional ships to the RN to give it more of a historical feel over the WWI influenced Vanilla fleet. But, then like I said, you'll have to contact Carlstadt Boy if you want it.
Good luck.