Heavy Cruisers (IHCs), equatorial diameter 800 meters, mass 1.75 x 10 to the eighth tons, crew 1800, named for famous sea ships. Flagships of Sector-level fleets.
Light Cruisers (ILCs), equatorial diameter 700 meters, mass 1.2 x 10 to the eighth tons, crew 1500, named for stars or given guardian-type names (e.g., Guardian or Protector).
Heavy Destroyers (IHDs), equatorial diameter 500 meters, crew 1000, named for military commanders. Massing 4.28 x 10 to the seventh tons, this is the largest class of ship capable of landing in a near-standard grav field.
Light Destroyers (ILDs), equatorial diameter 400 meters, crew 750, named for military commanders.
Armed Scouts (IASs), equatorial diameter 200 meters, crew of 500, named for scouts or explorers.
Couriers (ICs), length 100 meters, crew 5-50 (some automated to require only a pilot), named at pilot's option.
(For comparison, the largest U. S. aircraft, the C-5B, is 75.5 meters long, with a wingspan of 67.9 meters, and maximum mass of 418.5 tons.)
SHIP-COMP: Ship-computer, an artificial intelligence installed on all Imperial ships of Scout class or higher.
SHIVA, Subsector 6-A:
No. systems: 120 Sector: Scorpio
with 3 inhabited planets: 2 Ruled by:
with 2 inhabited planets: 13
with 1 inhabited planet: 25