Assertion: patrol's mission | /r/HasProperty | prevention
Facets:
value: always
type: DEGREE
Source sentences:
text: While the traditional mission of the United States Border Patrol has always been the detection and prevention of the illegal entry of aliens and smuggling of illegal contraband into the United States anywhere other than a designated port-of-entry, the dawn of the age of terrorism within our nation has added a new and high priority mission: to detect and prevent the entry of terrorists and their weapons into the United States.