so they will be less likely to get hit with something like a bomb or a grenade
A sonar uses one device and a sea beam uses a dozen sonar devices.
A sonar uses one device and a sea beam uses a dozen sonar devices.
Using ships.
Sonar is an acronym.
Sonars were used to detect any objects that got into the detection field of the sonar. By this, the military could detect enemy submarines etc., which they couldn't see normally because of the opacity and/or darkness of the water.
They used to travel by trains,bicycles and on foot on land and by ships.
A sub spotter is typically called a Submarine Sonar Technician or Sonar Operator. Their role is to detect and locate enemy submarines using sonar technology.
Sonar is a way of finding things underwater, using the echo of sounds you emit. We have used it to find the shape of the lake/sea/ocean bottoms, to determine the depth of waters, to find fish, to locate ship wrecks, and to detect the presence of ships and especially submarines.
they fly using sonar
Because some sounds travel very well through water.
Sonar.
1. A system using transmitted and reflected underwater sound waves to detect and locate submerged objects or measure the distance to the floor of a body of water.2. An apparatus, as one in a submarine, using sonar.3. Echolocation.http://www.thefreedictionary.com/sonar