The four Cluster satellites
were launched in summer 2000, commisioned in autumn 2000 and have been
fully operational since February 2001. The mission is now extended
through 2009. The EFW instruments on all four spacecraft all work well.
Satellite names:
SC2 (Salsa) and SC3 (Samba) launched 16 July 2000,
SC1 (Rumba) and SC4 (Tango) launched 9 August 2000.