RAAF Woomera Range Complex the United States. While none of the DSS-41 facility exists, the roadworks and building sites for this facility can still be seen. After the cancellation of the Joint Project, the complex was operated by Defence Research Centre Salisbury (former Weapons Research establishment, now Defence Science and Technology Organisation) in support of Australian Defence projects as they arose and also in support of German and NASA Sounding Rocket launches to observe the Supernova 1987A and other astronomical experiments. Woomera then focused on supporting the nearby joint Australia-United States Joint Defence Space Communications Station, Nurrungar. The surveillance facility closed in 1999. During
Troll Satellite Station by the Norwegian Space Centre to establish an earth station at Troll, but the lack of all-year activity stranded the plans. Instead, SvalSat was established to serve as an earth station for NASA's Earth Observing System (EOS). Longyearbyen was selected because of its high latitude, which allows all satellites with an orbit above to use only a single ground station—yet download from every orbit. The Svalbard facility opened on 15 April 1999 and was originally owned by the Norwegian Space Centre. Kongsberg Satellite Services was established in 2002 to jointly operate SvalSat and Tromsø Satellite Station (TSS). In 2003, Norwegian