In the original concept for Wing Commander Arena ships would be upgradable in a manner similar to Privateer. This is concept art of a modular cannon which could be mounted on the outside of a ship's hull. The style of art reminds me of some of the sketches done for Privateer Online.Wing Commander Arena concept images graciously provided by Gaia Industries. You can find the original article here. You can thank the guys at Gaia by picking up Street Trace NYC on Xbox Live Arcade!