Assertion: fire control tower | /r/MadeOf | spotting stations
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: A fire control tower usually contained several fire control stations, known variously as observation posts (OPs), base end stations, or spotting stations from which observers searched for enemy ships, fed data on target location to a plotting room, or spotted the fall of fire from their battery, so the aim of the guns could be adjusted.
text: For example, the fire control tower at Site 131-1A contained one OP, two base end stations, and two spotting stations.