Cassidy with Vinogradov and Romanenko in Pirs

ISS035-E-022379 (17 April 2013) --- Russian cosmonauts Pavel Vinogradov (center) and Roman Romanenko (right) donned their Orlan spacesuits once again on the International Space Station on April 17. The two are seen with NASA astronaut Chris Cassidy outside the Pirs Docking Compartment airlock during a suited ?dry run? dress rehearsal of the procedures they will conduct during a scheduled April 19 spacewalk. Cassidy will remain inside the orbiting complex throughout the spacewalk.