The badge reproduction “For Active Defence Work” was the highest award of the USSR Osoaviakhim and was awarded to members of the Society for outstanding services in strengthening defence.
Made of brass and enamel, size 5.3 x 3.2 cm, with screw fixing at the back. Consists of two parts. The badge is shaped like a rhombus with a five-pointed star at the top. In the centre is the inscription, “For active defence work.” below is a hammer and sickle.
