The two cosmonauts on 23 July put on their Orlan spacesuits and performed a dry run of the spacewalk activities. From inside the Pirs docking compartment they checked out the Orlan systems, practiced translation movements and tested their mobility.
On July 23rd, two cosmonauts wearing Orlan spacesuits conducted a rehearsal of spacewalk activities inside the Pirs docking compartment. They inspected the Orlan systems, practiced maneuvering, and tested their mobility.