WIKIARCHIVES.SPACE

Glenda Brown, lead spacewalk officer, speaks about some relevant hardware during a press briefing in which she provided a preview of an upcoming spacewalk on the International Space Station to be performed by two NASA astronauts -- Flight Engineers Rick Mastracchio and Steve Swanson. The multiplexer/demultiplexer hat, a model of which was used in Brown's demonstration, will be replaced during an Expedition 39 spacewalk. Brown, along with Public Affairs Office moderator Dan Huot, left, and Brian Smith, Expedition 39 flight director, appeared for a space station status update and spacewalk preview on April 18 at the Johnson Space Center.