Hitler built his home high up in the mountains. Hitler transformed his Alpine retreat in Bavaria into a fortified fiefdom, home to 2,000 SS troops and protected it with a high-level security system.
In the first two years of World War II, Hitler's fighting machine crushes Germany's enemies in a series of offenses called the blitzkrieg or lightning war.
In the lead-up to WWII, Japan creates a secret naval defense weapon, the Yamato. The heavily armed, gigantic battleship is sent into battle at Okinawa.
