A couple of questions. 1) Why does that Atlas have a Rolls Royce Phantom grill on its face? 2) Is that a Battlemaster or a Zeus behind it? And 3) What's with all the Chameleons?
1) That is the look of the SLDF ROyal Regiment upgraded AS7-D-H Atlas II, because it uses Ferro Fibrous armor it looks a little different
2) that is the WVR-7H Wolverine II, a ground up Royal Variation on the Wolverine, and evidence that Brent Evans (the illustrator of the design) is a bloody genius. it could never be the Zeus cause the Zeus is a post Exodus Mech.
the chameleons are probably RWA Mechs trying to stop those two SLDF mechs from getting where they are going. trainer role aside the Chameleon is a great cheap design.