Good mods for Minecraft (play with industry and weapons on server)?

If you want to play a modpack with about 5 friends, of course there can also be individual mods that we then simply put together.

I came up with the idea of Flans Mod, or something in the direction of WW2 Mods where you can put on Japanese, British or German armor etc…

Then we also wanted to have something with industry in there, for example. Nen nuclear reactor builds etc…

Do you know good modpacks that go in that direction or individual mods that are also compatible with each other?

Tekkit light