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The efficient reconnaissance aircraft has been used by the CIA since the Cold War.
Nuclear propulsion was first used by the US Navy for powering submarines in the mid-20th...
The ´Flying Fortress´ was developed for the United States Army Air Force by Boeing
Place the sites of notable battles in history on a blank map.
One of the most important battles of World War II proved to be a turning point of the War...
The geographical distribution of major (world) religions has been influenced by...
During World War I, Britain was part of the military alliance called the ´Triple Entente´.
The atomic bomb is one of the most destructive weapons in human history.