WikiVisually
Infinite photos and videos for every Wiki article · Find something interesting to watch in seconds
Recovered Treasures Ancient Marvels Celebrities Largest Empires Wars and Battles Rare Coins Best Campuses Great Museums British Monarchs Richest US Counties Crown Jewels Presidents Orders and Medals Countries of the World Tallest Buildings Great Artists Wonders of Nature Kings of France Sports History by Country Animals Supercars Great Cities Famous Castles Largest Palaces World Banknotes
more top lists
History
Defense against swimmer incursions
Videos
Page
Defenses against swimmer incursions are security methods developed to protect watercraft, ports and installations, and other sensitive resources in or near vulnerable waterways from potential threats or intrusions by swimmers or scuba divers.
"OWL"-type surface ROV (also known as the Unmanned Harbor Security Vehicle) used to search for submerged divers
"OWL"-type surface ROV (also known as the Unmanned Harbor Security Vehicle) used to search for submerged divers
Sonar
Videos
Page
Sonar is a technique that uses sound propagation to navigate, measure distances (ranging), communicate with or detect objects on or under the surface of the water, such as other vessels.
French F70 type frigates (here, La Motte-Picquet) are fitted with VDS (variable depth sonar) type DUBV43 or DUBV43C towed sonars.
French F70 type frigates (here, La Motte-Picquet) are fitted with VDS (variable depth sonar) type DUBV43 or DUBV43C towed sonars.
Sonar image of the Soviet Navy minesweeper T-297, formerly the Latvian Virsaitis, which was shipwrecked on 3 December 1941 in the Gulf of Finland
Sonar image of the Soviet Navy minesweeper T-297, formerly the Latvian Virsaitis, which was shipwrecked on 3 December 1941 in the Gulf of Finland
Bubble clouds shown under the sea. From ref.
Bubble clouds shown under the sea. From ref.
Variable depth sonar and its winch
Variable depth sonar and its winch