Ok this video is an epic fail by Bungie. (1) All the SPARTAN II's are in orbit when the battle for Reach begins and so this scene can not happen. (2) The female SPARTAN in the baby blue armor is complete BS because every SPARTAN's armor is more of an olive tint after so much use. (3) Even if this female SPARTAN has a prosthetic arm, it would be incased inside the armor anyway to make it react even faster like the rest of the armor does with the human body and it would protect the arm with the shield emitter that are incased in the armor as well. (4) No SPARTAN knew about Peguasy because it was a top secret op and was completed with SPARTAN III's that nobody knew about except ONI brass and the only ones to survive were Tom and Lucy. (5) No one can ever just join up with the SPARTAN's because they were raised from birth and know everybody and even if some one wanted to join the SPARTAN program, they wouldn't be able to because of the specific criteria required in order to get the augmentations so that a person could become a "SPARTAN" and so that they could survive what the MJONIER armor would do to them. In conclusion, Bungie needs to fix their story line cause it is an epic fail at the moment. Otherwise the graphics were great and setting aside the story line, looks pretty good.