Questions were asked in the House of Commons when news of this leaked out, and the following year no assumption was made of a German invasion of Belgium, and students were sharply reminded that the exercise was "SECRET".
が、その事が世間に漏れて下院において質問が行われ、翌年ドイツのベルギー侵略の仮定がなくなった時、学生達は、その演習は「秘密」だったのだとはっきり気付いた。