Tripwire Interactive has delighted modders everywhere by releasing a mod SDK (that’s Software Development Kit, acronym fans) for
“Users can now make and publish everything from simple mods and mutators, through custom maps and on to full total conversion mods,” says a helpful, nearby person from Tripwire.
You can find the SDK in the “tools” tab on Steam and begin downloading it now (assuming you own Red Orchestra 2, that is). After that, it might be an idea to keep an eye on the Tripwire mods forum for advice and new projects.
Maybe you’ll be able to mod out some of the when he reviewed it last September.