This has to do with the fact that the CFT Starliner has to be shipped to the Boeing Facility in El Segundo for final vibration, pressure and acceptance testing prior to taking humans to space.

Instead of returning on Starliner, they were reassigned to come back aboard a SpaceX vessel as per an existing ... leading to facial puffiness and pressure on the eyes, potentially causing vision ...

Monday's blastoff follows an incident that took place in January during which a Northrop Grumman Cygnus NG-22 cargo mission due for the ISS suffered a damaged pressure vessel and had to scrap the ...