Studies in the United States

American pioneer in the field of missile technology was the physicist Robert Goddard, who led in 1920 a group of enthusiasts they managed to launch the world's first rocket with liquid rocket in 1926, the Group continued to make a significant contribution to the rocket until the death of Goddard in 1945, that's when world war II ended with the defeat of Germany, the USSR and the USA gained access to missile technology and assistance from their developers.
In addition to "V-1" during world war II used a small tactical missiles that were launched from the aircraft or from the ground. The worsening cold war between the USA and the USSR in 1950-e g has led to the creation of strategic missiles of Intercontinental carriers of nuclear weapons.