The early years: "Weather today fine, but high waves"

World War I in Europe: "Do as much damage as possible"

U.S. enters the War: "We are ready now, sir!"

The 1920s: "We have no destroyers today!"

The 1930s: "A destroyer is not a likely target"

Atlantic theater 1939-1941: "Keep on engaging the enemy"

Pacific theater 1941: "Suddenly and deliberately attacked"

Atlantic theater 1942: "American beacons and searchlights visible at night"

Pacific theater 1942: "Courageous abandon against fearful odds"

Atlantic theater 1943: "Wiped out every exposed member of the sub's crew topside"

Pacific theater 1943: "Our losses for this single battle were fantastic"

Atlantic theater 1944: "Man on deck of sub attempting to man gun disintegrates"

Pacific theater 1944: "A fight against overwhelming odds from which survival can't be expected"

Atlantic theater 1945: "I think that is the end of the sub"

Pacific theater 1945: "The gates of hell awaited us."