| Spot on Kiwi, well done.
Magnetic mines respond to, of course, magnetic fields created by large steel objects such as ships and subs.
The de-gaussing gear creates a false magnetic field which sets off magnetic mines. All the aircraft has to do is fly over the mines and they will explode.
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“Dirty British coaster with a salt-caked smoke stack, Butting through the Channel in the mad March days" |