2002 – ISS Expedition Four – Commander Yury Onufrienko and Flight Engineer Carl Walz floated outside the International Space Station on the first spacewalk of their expedition and finished installing a second Russian cargo boom, part of which had been delivered to the station two and a half years prior. With coordination help from inside the station by Flight Engineer Dan Bursch, the two space walkers also installed an amateur radio antenna on the Zvezda Service Module.