Placing a container back in the airlock.
Astronauts on Sunday completed a record-making spacewalk. SPacewalk 2 of the STS134 mission, this walk lasted eight hours and twenty minutes! According to NASA, it was also the 246th spacewalk completed by American astronauts, as well as the 116th made from the ISS airlocks. There have now been 157 spacewalks made in order to build or maintain the ISS. Astronauts Drew Feustel and Mike Fincke performed the duties this time. They refueled cooing loops for the station with a new supply of ammonia and lubricated the joints for one of the huge solar panel arrays.