Long Haul

The frontier runs on fuel, and the Long Haul delivers it. Rim engineers stripped everything that wasn't fuel tank or engine, then optimized what was left until the fuel consumption per jump was the lowest of any tanker in production. No weapons — the philosophy is that anything fast enough to catch a Long Haul is fast enough to catch it whether it's armed or not, so why waste the mass. These tankers keep outposts operational that would otherwise be three refueling stops from anywhere. Pilots joke that the Long Haul is the only ship that gets better range the more cargo it carries.