Assertion: ground based midcourse defense system | /r/HasProperty | successful
Facets:
value: according to the missile defense agency
type: OTHER
value: in 10 of 18 tests
type: TEMPORAL
value: since 1999
type: TEMPORAL
Source sentences:
text: According to the Missile Defense Agency, the Ground-based Midcourse Defense system has been successful in 10 of 18 tests since 1999, a rate of 55 percent.