In World War 2 it was dolphins now it's some sort mine seeking sub
Kamikazes, Torpedoes, Kaitens, Aerial Bombs, Water Mines, Depth Charges
Since dolphins are highly intelligent humans can use them in the millatary and the navy. Dolphins help locate lost divers, under water buried mines, coral rock or debris in shallow cluttered waters.
Diamond mines are used for mining diamonds.
Ponies were used in the mines. Since large draft horses were to big to fit in the mines, they used ponies to carry tools and pull the mining carts.
By the word "posed," I assume you are asking about the kind of threat it posed towards the US Navy. "The C.S. Navy could never achieve equality with the Union Navy and used technological innovation, such as ironclads, submarines, torpedo boats, and naval mines (then known as torpedoes) to gain advantage over the Union Navy. In February 1861, the Confederate Navy had thirty ships, only fourteen of which were seaworthy, while the Union Navy had ninety vessels. The C.S. Navy eventually grew to 101 ships to meet the rise in naval conflicts and enemy threats."
An ostler (hostler) looked after horses. There used to be horses in mines.
A rather vague question. If you are asking about gases then perhaps the answer you seek is oxygen (produced by photosynthesis in plants) which is used by animals (and plants) for respiration. It would be equally valid to suggest water as the answer. For carnivorous animals, birds and insects could be the answer.
US war dogs (approximately 5,000-officially designated as military working dogs) and about 10,000 US servicemen served as "dog handlers" during the Vietnam War. In addition, the US Navy used dolphines to search for sea mines (anti-ship explosives) in the harbors of South Vietnam during the war.
The word 'mines' is both a noun (mine, mines) and a verb (mine, mines, mining, mined).A pronoun can be used with the noun mines or a pronoun can take the place of the noun mines. Examples:Our mines are producing to full capacity. They are good source of employment for their local economies.The verb can be used with a pronoun as the subject or the object of the verb. Example:Larry makes a good living from turquoise but he won't tell where he mines them.
Sonar (SOund NAvigation and Ranging) is used to find objects. Sonar is used to find ships, submarines, mines, and other objects in the Navy. Sonar is used in Medicine to find unusual tumors, organs, and cells. Sonar is used in Geology to find minerals, oil, rock formationsn, and water .
Steam engines were first used in the tin mines of Cornwall, England to pump water from the mines which often extended out under the Cornish coastline.
There were many types of mines used in World War Two. Magnetic mines were some of them.