TheCodeBreakers
its primary contributions to victory.
American cryptanalysts scored some long-range combat triumphs as
well. Shortly after MacArthur invaded Leyte, they discovered from their
reading of coded enemy messages that 40,000 soldiers were on their way
to reinforce Japanese troops in the Philippines. American air and sea
power met and destroyed this force, and not a man reached Leyte.
During the Okinawa campaign, the sharp ears of the cryptanalysts
overheard the orders that directed the superbattleship Yamato, a 72,000-
ton monster with 18-inch guns that could hurl a projectile 22 miles, to
sortie in a last-ditch defense effort. They passed this news to the
American commanders on the spot. Thus alerted, the com-
manders prepared to attack her, and after a picket submarine
reported her position, flung wave after wave of carrier-based planes at
her. They struck her at 12:32 p.m. April 7, 1945, and after less than two
hours of repeated bomb-hits and torpedoings, the world's largest
annaabi.ee 
