11. The ship's bridge, major combat equipment and engines are also shock-mounted to cushion against underwater explosions . 12. Shortly thereafter a heavy underwater explosion , probably a torpedo, detonated in " Biloxi " s wake. 13. This was followed by a heavy underwater explosion . 14. The navy conducted several full-scale underwater explosion tests with sections of armour cut from the old pre-dreadnought. 15. The treaty establishes a network of 201 monitoring stations worldwide to detect underground, atmospheric or underwater explosions . 16. The underwater explosions temporarily put her sonar equipment out of commission but did no other serious damage. 17. An underwater explosion nearby a ship or submarine can be devastating to the combat readiness of the vessel. 18. Underwater explosions are used for a variety of purposes including military activities, construction and oceanographic or geophysical research.19. In January 1951, she assisted in the sinking of in an experimental underwater explosion test off San Francisco. 20. The damage that an underwater explosion inflicts on a submarine comes from a primary and a secondary shock wave.
