Anyone finish

[hutton]

~Churchill stated "~The only thing that ever really frightened me during the war was ........."   What?

[THECORBYLOON]

hutton "...the U-Boat peril" see here

[Octavius]

"The only thing that ever frightened me during the war was the U-boat peril.... It did not take the form of flaring battles and glittering achievements, it manifested itself through statistics, diagrams, and curves unknown to the nation, incomprehensible to the public".