Assertion: patriot's radar | /r/CapableOf | watch one part of sky
Facets:
value: to detect ballistic missiles
type: PURPOSE
value: at a time
type: TEMPORAL
Source sentences:
text: Unlike the previous radar which could only watch one part of sky at a time primarily to detect ballistic missiles, the LTAMDS has 360-degree coverage to detect low flying and maneuvering drones and cruise missiles.