Sonar was used to detect and hunt submarines in WW2
yes
sonar
Sonar was used widely in World War II in an effort to locate enemy submarines. It wasn't as sophisticated as it is today, but it did help. Actual numbers are difficult to come by, but sonar was effective in the successful attacks on several submarines.
Not used in WWI, it was designed as a part of Manhattan Project and used on submarines and other vessels during WWII.
Sonar
sonar
sonar
Sonar was not introduced in World War 1.
It's called Sonar.
They were used by submarines to navigate when not in open waters, They were also used by submarines and anti-submarine ships to locate enemy submarines.
which event sparked world war 1?
it looks a dome