Relive the aerial dogfights and naval clashes of the Battle of the Philippines Sea, thanks to stunning color footage.
Code-Crackers Destroy U-Boats
The success of Operation Hydra in decoding enemy messages handed the Allies a key advantage in the fight against deadly German U-boats. The hunted had become the hunters. From: WORLD WAR II SPY SCHOOL -- http://bit.ly/1MiWBFj