Atomic research agency acknowledges "isotope power source" of "rocket engine" exploded. //

On August 8, during testing aboard a barge in the White Sea near Nyonoksa, Russia, the nuclear engine of an experimental nuclear-armed cruise missile exploded, killing two technicians and injuring six others. On August 11, officials of the Russian nuclear agency Rosatom acknowledged that five employees had died in the explosion of what they described as "an isotopic power source for a liquid engine installation