U.S. Spacewalk 81 Animation

NASA astronauts Josh Cassada and Frank Rubio conducted a spacewalk outside the Quest airlock of the International Space Station Nov.

15 to erect a bracket on the starboard 6 truss upon which an ISS Rollout Solar Array (IROSA) will be attached after it is delivered on a future SpaceX Cargo Dragon flight.

The IROSAs are being installed for six of the eight space station power channels to augment the power capability for the orbital outpost.