27 February 1940 A.D. HMCN’s Building Program in High Speed—Corvettes & Minesweepers
27 February
1940 A.D. HMCN’s Building Program in
High Speed—Corvettes & Minesweepers
February 27, 1940 Building of corvettes and minesweepers
is well underway. So far the battle in
the approaches to Britain is going well.
British domination over the other seas, for the moment, is unbroken;
merchant ship casualties, though serious, are replaced with new construction;
the magnetic mine is mastered and ASDIC (named for the Allied Submarine
Detecting Investigation Committee), the forerunner of SONAR (which started as
an acronym for SOund Navigation And Ranging) is now on the scene to detect
submerged submarines.
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