Original sentence: It is almost identical to Pirs.It will be docked to the Zenith port of the Zvezda module, and will be launched on top of a modified Progress spacecraft on a Soyuz rocket.The module is located at the "Checkout and Testing Facility" of RSC Energia, and is expected to be launched in November 2009 on a Russian Soyuz-U rocket.The module will be used for docking of Soyuz and Progress and as an airlock for spacewalks
Edited sentence: It is almost identical to Pirs already on the station.It will be docked to the zenith port of the Zvezda module, and will be launched on top of a modified Progress spacecraft on a Soyuz rocket.The module is currently located at the Checkout and Testing Facility of RSC Energia, and is scheduled to be launched on 10 November 2009 on a Russian Soyuz-U rocket.The module will be used for docking of Soyuz and Progress spacecraft and as an airlock for spacewalks