Some more information on the advances in sea mines, and how they were countered: https://medium.com/war-is-boring/how-britain-beat-germanys-wwii-magnetic-sea-m

Some more information on the advances in sea mines, and how they were countered: https://medium.com/war-is-boring/how-britain-beat-germanys-wwii-magnetic-sea-mines-bfec5558704c https://medium.com/war-is-boring/how-britain-beat-germanys-w...