 Strong was appointed Head of the German Section at MI14 in August 1939 . He liaised with French intelligence until the Fall of France in June 1940 . Thereafter , his section was concerned with the prospect of a German invasion of Britain . In April 1941 , he assumed command of the 4th / 5th Battalion Royal Scots Fusiliers , part of the 52nd ( Lowland ) Division . Then , in March 1942 , he became Brigadier General Staff ( BGS ) for Intelligence at General Alan Brooke 's GHQ Home Forces . For his services , Strong was appointed an Officer of the Order of the British Empire . 
