An underwater survey is a survey performed in an underwater environment or conducted remotely on an underwater object or region. Survey can have several...

used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...

A survey vessel is any type of ship or boat that is used for underwater surveys, usually to collect data for mapping or planning underwater construction...

used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...

Underwater acoustics (also known as hydroacoustics) is the study of the propagation of sound in water and the interaction of the mechanical waves that...

used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...

Navy survey vessel HMS Echo and submarine HMS Tireless arrived in the area, with HMS Echo starting immediately to search for the aircraft's underwater locator...

used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving...

The APS underwater assault rifle (APS stands for Avtomat Podvodny Spetsialnyy (Автомат Подводный Специальный) or "Special Underwater Assault Rifle") is...

underwater diving environment, or just diving environment is the natural or artificial surroundings in which a dive is done. It is usually underwater...