Destroyers played a large part in anti-submarine warfare, particularly in protecting convoys.
2nd asnwer:
Yes, and convoys themselves were put together as a way to overcome U-boat depredation. Later in the War, aircraft were used some to spot U-Boats from the air.
Warships began to be outfitted with submarine detection equipment, primarily SONAR.
The US developed Depth Charges, small bombs that were tossed overboard where a submarine was lurking.
The Germans then threatened to use only Uboats for war and blew up a few ships.
Convoys.
The use of the convoy system protecting merchant ships as they crossed the Atlantic , airplanes for reconnaissance , radar , depth charges .
The use of the convoy system protecting merchant ships as they crossed the Atlantic , airplanes for reconnaissance , radar , depth charges .
threat levels
In Germany, self-defense is allowed when facing an immediate threat of harm. The use of force must be proportionate to the threat and must be necessary to protect oneself or others. It is important to note that excessive force or retaliation is not considered self-defense under German law.
Our foreign neighbors no longer pose a constant threat to our safety.
Staff uses the threat facors to determine the seriousness of the threat to determine what prodigal to take in the situation.
Yes , airplanes were used to help detect U-Boats such as the PBY Catalina which was a flying-boat used to provide the eyes of a convoy and air-sea rescue .
It will charge a threat, it will use its body weight to crush any threat that gets too close.
It was horrendous how a dire threat like that could send me over the edge.
Different countries have different ways of assigning threat levels. They also may use different terms