The test Testing supervisor then failed to follow procedure , creating Creating unstable operating Being_in_operation conditions that , combined Cause_to_amalgamate with inherent RBMK reactor design flaws and the intentional disabling Destroying of several nuclear reactor safety systems , resulted in Causation an uncontrolled nuclear chain reaction .

at 14:00 , three french vessels were within long gunshot Attack and hallowell decided Deciding that his only hope of escape Escaping lay in disabling Destroying the three ships before the rest Preserving of the french squadron could join Participation the engagement Hostile_encounter .

A government affidavit in 2006 stated Statement that the leak caused Causation 558,125 injuries Bodily_harm , including 38,478 temporary partial injuries Bodily_harm and approximately 3,900 severely and permanently disabling Preventing_or_letting injuries Bodily_harm .