Kiltron just can't leave that level editor alone and has released another Deleted Scenes mission titled Terrorist Retaliation. In a Deleted Scenes first, the mission has you take on the role of a Real IRA terrorist:
Your group failed to assasinate the hostages they captured, and release a deadly virus to the world. The SAS are now attempting to secure the area, and find the hostages. From executing hostages, causing sabotage and blowing things up to destroy mankind, you get to do it.
You can grab Terrorist Retaliation on FileShack