Operation Serpent is a storyline after Wing 4 and here you are a Confed Pilot and your job is to cut down the last of the Black Lance Forces. A few of them continued to fight against the Border Worlds and Confederation. After the destruction of the Axius Base another one is somewhere between the Confed and Border Worlds territory.
After the first attacks Confed send one of their newest Carrier to investigate the problem. You will be transfered to the TCS McKinley, a Vesuvius Class Supercarrier. Flying Craft will be the Hellcat, Excalibur and the Bearcat.