a system that detects submarines (under water boats) a sonar
Asdic
Allied Submarine Detection Investigation Committee.
"Radar detection system: madam rotor" is a palindrome for detection system using radar waves.
There is nothing.
When you go to the bathroom. ^ Dont waste people's time. Do you mean Intrusion Detection System? If so, an Intrusion Detection System, or IDS for short, is a physical device, or a piece of software that monitors networks or systems for malicious activities.
A submarine's sonar system can potentially harm marine life, but it is unlikely to be fatal to a person.
Tactical Biological Standoff Detection System
The existence of submarines forced other countries to develop anti-submarine weapons and detection systems.
Long range detection and assessment system
There is nothing.
There is nothing.
Deep ocean pressures are to great for submarines. They do not need to go deep anyway, just to avoid detection by the enemy.