As the Committee knows, NASA did not pursue any of those options, but just last year was able to proceed with the development of the Interim Control Module that the Naval Research Lab was responsible for developing.

WHITEHOUSE: Jacob J. Lew Testimony to House Science Committee, 08/06/1998 | The White House

Europe's Columbus space lab arrived last month, joining Nasa's own research base at the station, a module called Destiny that has been in space since 2001.

BBC: NEWS | Science/Nature | Endeavour launched from Florida