Everyone, Last month a debate erupted on this listserv over what the proper name and identification of the ISS/Unity/Zarya complex would be. I think I found the official answer at www.nssdc.gsfc.nasa.gov/spacewarn/spx542.html <http://www.nssdc.gsfc.nasa.gov/spacewarn/spx542.html> This is the draft version of SPACEWARN Bulletin #542. It states that "1998-067A is and will remain the ID for ISS as well as for its first module, ISS-Zarya. Subsequent modules also will likely carry their own IDs and USSPACECOM numbers , though the two-line elements for the composite will remain listed only under Zarya, 25544. You all probably already knew this, but I am desperate to contribute something to the discussion. Thanks, Troy E. Hedgepeth Chesapeake, Virginia, USA GPS Position: 36.7653N 76.2178W, 6m