DOC-05 · TRISTAR FLEET · FIXED INFRASTRUCTURE
Commerce-class Space Station — Flavor Text
Drop-in fluff for readout.php?unit=Space+Station. Sections follow standard Technical Readout format.
Overview
The Commerce-class station is the fixed backbone of TriStar Interstellar's shipping network — the reason a fleet of 322 docking collars can keep six hundred DropShips profitably employed. Introduced in 3002 as the centerpiece of Melissa Starr's network-expansion program, the class was designed to solve the tyranny of the recharge cycle: with JumpShips pinned at a jump point for a week or more, every hour a DropShip spends waiting on a hull instead of hauling cargo is money burned. A Commerce station at the jump point breaks that dependency. Cargo stages at the station; DropShips shuttle to the planet and back on their own schedule; and an arriving JumpShip exchanges full collars for full collars in hours rather than days.
Starr's directive to the design bureau survives in company archives: "Build me a warehouse, a hotel, a fuel bunker, and a battery of guns, and make it pay for itself." The Commerce-class is exactly that, in that order.
Capabilities
At 100,000 tons with three 200-meter gravity decks, a Commerce station is less a facility than a small town — quarters for over a thousand, first-class accommodations for five hundred sixty, and enough rotational comfort that station postings are among the most sought-after berths in the company. Four cargo holds totaling 68,000 tons anchor the transshipment mission, worked by an unusually large complement of small craft — five bays and fifty light shuttles and cargo tugs, allowing the station to lighter cargo to and from vessels that never touch a collar. Bunkerage exceeds 50,000 tons, making every Commerce station a fuel depot for the route network as well.
The armament draws comment from every naval observer who encounters it: sixty PPCs in six ten-gun bays, giving the station a broadside in every arc that rivals an assault WarShip's secondary batteries. The choice reflects doctrine as much as firepower. TriStar's stations were conceived in the pirate decades, when a jump-point depot rimward of the Periphery March had to assume no help was coming; an all-energy armament means a station's deterrent never runs dry and never depends on an ammunition convoy that pirates could interdict. The same philosophy — massed PPCs, zero ammunition logistics — would later define the Enterprise-class JumpShip's armament. Against the raider DropShips and converted freighters that constitute an actual pirate threat, a Commerce station is simply not an acceptable target, a fact Lady Death's captains understood well: in the entire protection-payment era, no Dominion force ever attacked one. A fifty-strong marine detachment handles customs enforcement, boarding inspection, and the perennial disorder of a port town in a can.
Variants
The Warehouse variant strips the class to its logistics core for lower-traffic route junctions: crew reduced by nearly half through bay automation, passenger capacity cut to a token twenty berths, and two of the five small craft bays deleted. The energy battery is halved to thirty PPCs, backstopped by thirty medium lasers for close-in work against small craft — a cheaper deterrent for quieter space. Company crews call Warehouse postings "the shelf," and rotations are kept mercifully short.
Deployment
Commerce-class stations anchor TriStar's special-route systems — the ports of call busy enough to justify permanent infrastructure, served by a dedicated fleet of 120 DropShips running station-to-planet shuttle schedules. Nine stations were in service by 3020; the post-Tortuga expansion pushed the network past thirty by 3040 and to nearly fifty by the mid-3050s, including the New Gascony Gate station that serves as the Tortuga Dominions' rimward customs port.
By company tradition, stations are named for the great markets and exchanges of old Terra. The first of the class, Cotton Exchange, still holds the Memphis zenith point and functions as the network's flagship and training station. Rialto anchors the Taurian trade at the Concordat frontier. And Three Routes — officially Corn Exchange, though no one has called it that in decades — sits three days off Mararn at the junction of the network's densest crossing, where its story is bound up with that unhappy world's long road back (see: Mararn).
Notable Stations
- Cotton Exchange — Memphis zenith, commissioned 3002. Network flagship, crew academy, and office of the Port Captain-General.
- **Three Routes (Corn Exchange)** — Mararn jump point, commissioned 3032. Junction of three trunk routes; for two decades the symbol of everything Mararn resented, today the engine of its renaissance.
- New Gascony Gate — commissioned 3048. Rimward customs port for the Tortuga Dominions; jointly staffed with Dominion inspectors under the Charter's free-port protocols.
- Rialto — Concordat frontier, commissioned 3037. Primary interchange for Taurian transshipment; hosts the only permanent TDF liaison office on a corporate installation.
Numbers offered as defaults (station counts, commissioning dates) — adjust freely; nothing else depends on them except the Mararn article to follow.