Cluster reentry explained: world’s first targeted reentry European Space AgencyGoodnight, Cluster: brilliant end to trailblazing mission European Space AgencyESA performs targeted reentry of Cluster satellite SpaceNewsOld satellite to burn up over Pacific in ‘targeted’ re-entry first Phys.orgEuropean satellite Salsa makes fiery plunge into Earth’s atmosphere in first-ever ‘targeted’ re-entry The Independent