Assertion: trident's missile | /r/HasProperty | improved over decade
Facets:
value: with more than $7 billion
type: OTHER
value: in service
type: OTHER
value: further
type: MANNER
Source sentences:
text: The existing Minuteman-III missiles have been further improved over the decades in service, with more than $7 billion spent in the last decade to upgrade the 450 missiles.