STS-126 astronaut Steve Bowen and Heidemarie S…

STS-126 astronaut Steve Bowen and Heidemarie Stefanyshyn-Piper work to clean and lubricate part of the station’s starboard Solar Alpha Rotary Joints (SARJ) and to remove two of SARJ’s 12 trundle bearing assemblies [3072 x 2098] – For more images of the cosmos Click Here