NASA has released its final Request for Proposals seeking industry plans for next-generation commercial space stations intended for low Earth orbit. The agency’s move signals another formal step toward a commercial presence in the region above Earth where, until recently, the principal zoning dispute concerned whether a satellite was still functioning.

Companies are now invited to describe habitats capable of supporting activity in orbit, presumably with enough distinguishing features that visitors can identify the correct module before accidentally attending a reception aboard a competitor’s cylindrical innovation environment. The solicitation does not require a lobby, though the marketplace may soon regard one as essential for receiving cargo, investors, and a person holding a tablet who says the airlock is “being optimized.”

Industry proposals will likely address the ordinary technical questions of power, life support, docking, and operations. They may also confront the less familiar commercial question of how to make an orbital station feel distinct from another orbital station, once every structure has exposed equipment, a panoramic window, and a modestly branded cupola reserved for strategic partners.

The next generation of stations could therefore bring a more diversified low Earth orbit: one habitat for research, one for manufacturing, and one whose principal innovation is a quieter corridor in which executives can explain that the station is not a space station but a vertically integrated destination platform.

For now, NASA has asked for plans. In time, the sector may develop the full vocabulary of commercial property: premium docking, flexible laboratory footprints, and a leasing office located several hundred kilometers above the nearest municipal authority. The important thing is that American leadership in space proceeds in an orderly manner, with all parties agreeing to call the lobby something more aerodynamic.