“We have a very strong incentive to send a crew as quickly as we can safely do so.” The Haven-1 space station seen here in the Vast Space clean room. Credit: Vast Space The Haven-1 space station seen here in the Vast Space clean room. Credit: Vast Space As Ars reported last week, NASA’s plan to replace the International Space Station with commercial space stations is running into a time crunch. The sprawling International Space Station is due to be decommissioned less than five years from now, a...