TOP ANNEX SECRET PRIORITY LIST. (No attempt has been made to arrange subjects in order of importance within each priority class). PRIORITY I. 1. Development in the Soviet Union of atomic, biological and chemical methods of warfare (together with associated raw materials). 2. Development in the Soviet Union of scientific principles and inventions leading to new weapons, equipment or methods of warfare, the development of guided missiles and trials of all the foregoing. 3. Strategic and tactical doctrines, state of training, equipment, armament and aircraft development of the Soviet Long Range Force.