Assertion: radar | /r/CapableOf | observe the shell
Facets:
value: in time
type: TEMPORAL
value: at two points
type: TEMPORAL
Source sentences:
text: If a radar observes the shell at two points in time just after launch, the line between those points can be extended to the ground and provides a highly accurate position of the mortar, more than enough for counterbattery artillery to hit it with ease.