C.E. Evans wrote:
Huh? Why wouldn't starships suddenly no longer have sensors? Even submarines had sensors in the form of radar.
Tut tut tut. Submarines have Sonar. Well, they also have radar for when they surface, but for the purposes of detecting other submarines in the 3D environment you are discussing, they use Sonar.
I'll now stop being Anal and crawl back under the rock from whence I came