|Soviet nuclear torpedo test at Novaya Zemlya, 1955. Mushroom cloud rising from the surface of the sea during the first Soviet underwater nuclear torpedo test. This test, named 22 (Joe 17), took place on 21 September 1955 at the NTSNZ (Northern Test Site Novaya Zemlya) of a torpedo design (RDS-9/T-5 torpedo). The location was NZ Area A, Chyornaya Guba, Novaya Zemlya, Russia. The yield was 3.5 kilotons of TNT. Over 30 ships were positioned at distances ranging from 300 metres to 1.6 kilometres. Among the ships were four destroyers, three submarines, minesweepers and seaplanes. Over 500 goats and sheep, 100 dogs, and other animals were on board the ships. Only one ship was sunk by the explosion, a destroyer less than 300 metres from the explosion.