I randomly walk into a room that had 7/8 people in it, and the first thing I notice is the mission name. Stonehenge Returns III. Everyone was rejoycing, and saying, "Lets do this". So, the mission starts off just like any Stonehenge special raid mission, Destroy the 12 jammers. We did that fairly quickly, and then the T-50's showed up. Didn't take long eiter, but then the Kattos show up. 3 of them. Took us quite some time, then, we attacked the turrets. There were a little yellow targets left, but the 8th turret got destroyed, and we ended up with an S rank. Got the nickname, and 90,000 credits.
If you guys need tips on how to S rank the mission, just ask me. :)