Russian cosmonauts Alexander Skvortsov (left, red stripes) and Oleg Artemyev, both Expedition 40 flight engineers, attired in Russian Orlan spacesuits, participate in a session of extravehicular activity (EVA) in support of science and maintenance on the International Space Station. During the five-hour, 11-minute spacewalk, Artemyev and Skvortsov deployed a small science satellite, retrieved and installed experiment packages and inspected components on the exterior of the orbital laboratory.