The Expanse RPG Ships of the ExpanseDescriptionSpecificationsShipping The Expanse is vast, and traversing the space between worlds in the solar system requires a ship. For a crew, a ship is freedom, home, safety, and a source of income, but also a source of responsibility and often debt. Out in space, other ships are potential targets, allies, or threats. The Ships of the Expanse offers details on many of the kinds of space ships characters in an Expanse game might encounter, or perhaps