Two scientists at large microscope. POV view of metal under microscope. Security station outside laboratory screening everyone who enters. CU of USAEC security agent’s shoulder patch. Security agents on horseback patrolling lands outside lab. One radios the central station and man receives call inside station. Giant anti-aircraft guns keeping lab secure. Biologist studying effects of radioactivity on fish. Salmon swimming inside pools. Radiation testing on sheep. Sheep being feed pellets with radioactive ingredients.