An act or acts with intent to injure, interfere with, or obstruct the national defense of a country by willfully injuring or destroying, or attempting to injure or destroy, any national defense or war materiel, premises, or utilities, to include human and natural resources.
SABOTAGE
Meaning of SABOTAGE in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012