June 08, 2001, Korolev

The International Space Station crew successfully accomplished the operation of the Russian Segment (RS) preparation for its outfitting with a new module, i.e. Docking Compartment (DC 1) Pirs, which was manufactured at RSC Energia, prime contractor of ISS RS, and is passing integrated tests before shipment to Baikonur. The compartment is scheduled to be delivered to the ISS in the second half of 2001 as part of the Progress M-CO1 cargo vehicle.
Following the Module Zvezda transfer compartment hatches closing and airlocking the crew commander Russian cosmonaut Yuri Usachev and flight engineer James Voss performed an egress into space and replaced the spherical cover of the nadir docking assembly with the cone cover. The cover replacement lasted from 18:21 to 19:07 Moscow summer time. The flight engineer U.S. astronaut Susan Helms stayed in the module Zarya and was tracking the work progress per the flight-data files.
The operation performance was under control of the Lead Operational Control Team (LOCT) of MCC-M (Korolev) headed by V.A. Soloviev, Flight Director.
Leading specialists of RSC Energia, developers and manufacturers of the ISS RS systems and assemblies were present in the MCC-M control room. According to LOCT, the International Space Station is in an orbit with maximum and minimum altitudes of 410.2 and 373.1 km, respectively. The orbital period is 92.1 minutes.