Sky Fighters are the main fighters of the Visitors' fleet, and are capable of both atmospheric and space travel. They are 11 meters in length, 8 meters in width, and about 15,400 kg. They hold a crew complement of six, including a pilot, co-pilot, gunner, and three troopers. They are powered by a small fusion and their gravity drive, effectively providing unlimited range. Cruising speed is Mach 3 within a class-M atmosphere, and 20-30% the speed of light in space. The main skin of the ship is composed of a honeycomb of a titanium hybrid alloy, coated with a micro-thin heat-dissipating armor plating. The armaments include four 120,000 Joule cobalt lasers, two mounted forward and two aft. Computer navigation and astrogation are provided by an onboard system with redundancy features for autop