Anyone lending aid, comfort, and moral support to individuals, groups, or organizations that advocate the overthrow of incumbent governments by force and violence is subversive and is engaged in subversive activity. All willful acts that are intended to be detrimental to the best interests of the government and that do not fall into the categories of treason, sedition, sabotage, or espionage will be placed in the category of subversive activity.
SUBVERSIVE ACTIVITY
Meaning of SUBVERSIVE ACTIVITY in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012