 The tool was a ratchet wrench needed by Wilmore, who would have had to wait for the tool to be delivered on the next supply mission from Earth.The wrench was later returned to the ground for analysis and testing, along with the other parts printed in space.Barry E. Wilmore will serve as backup for both the test flight Boe-CFT and first mission CTS-1 crews for Boeing's CST-100 Starliner.