Marshburn during HRCS Ku Comm Unit 1 Installation

ISS035-E-018389 (11 April 2013) --- Expedition 35 Flight Engineer Tom Marshburn, NASA astronaut, works to install the redundant Ku Communications 1 unit in Destiny to complete the refurbishment of the Ku system aboard the International Space Station. Expedition 35 Commander Chris Hadfield (out of frame), astronaut with the Canadian Space Agency, joined Marshburn for this work.