London, Mar. 14, Well over 100 ships engaged in supply for the.enemy are known 0 have been destroyed In mined areas, representing less than ten per cent. fof the total mines laid by the RAF. and Fleet Air Arm.
In laying these mines, British alr-raft have flown 1,250,000 miles. German harbour Is immune from British mine-laying aircraft, and despite its powerful and active defences, the Kiel Canal itself haw been the scene of considerable mine-laying.
Results need some time to appear. For example, in September, certain mines were laid in the Canal, but it was only at the end of November that It became Known that seven enemy ships, each severely damaged by mines, were lying at one end of the Canal,
Text read from the printed page and cleaned; old type leaves the occasional error.