The U-Boat Peril
- Used to sink ships= British would go hungry cause they couldn't get their food
- U-Boats using forward bases in France and Norway
- U-Boats begins hunting in 'wolf packs'
- German fight a tonnage war
Convoy System, Depth Charges and Escorts
- Convoys are used to get ships safely across the Atlantic
- Used power in numbers
- Protected by Destroyers
- Depth charges (bomb type things that blow up at a certain depth), Asdic (sonar), Hedgehog, radar, long range aircraft and carrier based aircraft all helped cure the U-Boat Peril
The Mid-Atlantic Gap and How it is Closed
- Range of bombers increased
- Carrier based aircraft
- More warships
Summary
Unterseeboot (U-boats) were used to fight a tonnage war, with convoys that were protected by destroyers to safely get ships across the Atlantic. in order to close the mid-Atlantic gap, range of bombers is increased, there are more warships and aircrafts become carrier based.