When I assumed command of the Pacific Fleet in 31 December, 1941; our submarines were already operating against the enemy, the only units of the Fleet that could come to grips with the Japanese for months to come.
It was to the Submarine Force that I looked to carry the load until our great industrial activity could produce the weapons we so sorely needed to carry the war to the enemy. It is to the everlasting honor and glory of our submarine personnel that they never failed us in our days of peril.

Foreword, in United States Submarine Operations in World War II. (1949) by Theodore Roscoe, p. v