Nuclear submarine The nuclear submarine is considered one of the most technologically advanced defense systems that the country can have, It is the submarine powered by the nuclear reactor, Using the nuclear reactor produces...
The periscope is an instrument for observation over, around or through the object, obstacle or condition that prevents direct line-of-sight observation from the observer’s current position, The periscope is used to monitor the dangerous...
Determination of sea depth and fish shoals The sonar device is used on the ships to find the position of the sea bed, It is used to detect the sunken wrecks or the submarines...
