Decommissioned as part of Thames field decommissioning. Cost estimates also need to take into account plant decommissioning and nuclear waste storage costs. Plans for decommissioning reactors have a time frame of decades. The Nuclear Decommissioning Authority is near Whitehaven. Repository delay seems to be effective in reducing NPP decommissioning costs. The decommissioning and removal of the fuel was completed by 1992. At the time of decommissioning, "Viraat"s eventual fate remained undetermined. Information about decommissioning cost calculations for Urenco facilities is not accessible. In Europe there is considerable concern over the funds necessary to finance final decommissioning. Subsequent research, conducted as part of the decommissioning process, has ruled out this possibility. It is scheduled for decommissioning in 2025. Several Eastern European museums have aircraft that were stored there after decommissioning and preserved. Upon "Caroline"s decommissioning in 2011, her future was uncertain. There is currently debate about whether a 25 or 100-year decommissioning strategy should be adopted. BNFL became one of a number of decommissioning contractors through BNG.