From the horses of Chinggis Khan's army, to Hannibal's famed elephants, to World War I carrier pigeons, animals have played a crucial role in military operations for centuries.
But despite the technological achievements since Hannibal marched his elephants over the Alps in 218 BCE, militaries still use animals, whether for parades, transport, or weapons detection.
In September 2019, as Hurricane Dorian pummeled parts of the southeastern United States, the team of marine mammals from Strategic Weapons Facility Atlantic in Kings Bay, Georgia, where they patrol the waters for enemy crafts or other intruders, were evacuated to Naval Surface Warfare Center Panama City Division in Panama City, Florida, to ride out the storm.
"At NSWC PCD, we personally understand the trials and tribulations that come with the devastation of a hurricane, especially after Hurricane Michael severely impacted our area in 2018," Nicole Waters, the Machine Shops Project Manager in Panama City told Navy Times.
"We strongly support the 'One Team, One Fight' initiative and will always be willing to help protect any Navy personnel and assets."
Read on to learn more about the roles animals play in today's militaries.
1. A beluga whale was found off the coast of Norway in 2018, sparking suspicions that it was trained as a Russian spy.
The whale was initially found by Norwegian fisherman with a harness strapped to it that read Equipment St. Petersburg, The Washington Post reported at the time. The whale was extremely friendly toward humans, an unusual behavior for a beluga raised in the wild. It was speculated at the time that the whale's harness may have held a camera or weapons of some sort.
More recently, another whale with a GoPro camera base strapped to it made its way to Norway, where locals named it "Whaledimir."
2. The US Navy uses sea lions to recover objects at depths that swimmers can't reach.
A Navy Marine Mammal Program (NMMP) California sea lion waits for his handler to give the command to search the pier for potential threats during International Mine Countermeasures Exercise (IMCMEX). IMCMEX includes navies from 44 countries whose focus is to promote regional security through mine countermeasure operations in the U.S. 5th Fleet area of responsibility.
(US Navy photo by Mass Communication Specialist 1st Class Kathleen Gorby)
"Sea lions have excellent low light vision and underwater directional hearing that allow them to detect and track undersea targets, even in dark or murky waters," the US Navy Marine Mammal program explains. They're also able to dive much further below the water's surface than human divers, without getting decompression sickness, or "the bends."
They're trained to patrol areas near nuclear-powered submarines and detect the presence of adversaries' robots, divers, or other submerged threats.
3. Dolphins, too, are used by the Navy to sniff out mines.
U.S. Navy Marine Mammal Program (NMMP) MK7 Marine Mammal System bottlenose dolphin searches for an exercise sea mine alongside an NMMP trainers. NMMP is conducting simulated mine hunting operations in Southern California during Rim of the Pacific (RIMPAC), exercise, July 22. Twenty-five nations, 46 ships, five submarines, and about 200 aircraft and 25,000 personnel are participating in RIMPAC from June 27 to Aug. 2 in and around the Hawaiian Islands and Southern California.
(SPAWAR Systems Center Pacific)
"Since 1959, the U.S. Navy has trained dolphins and sea lions as teammates for our Sailors and Marines to help guard against similar threats underwater,"according to the US Navy Marine Mammal program.
"Dolphins naturally possess the most sophisticated sonar known to science," the program's website says. "Mines and other potentially dangerous objects on the ocean floor that are difficult to detect with electronic sonar, especially in coastal shallows or cluttered harbors, are easily found by the dolphins."
4. The Indian Army uses camels in its parades.
Office of U.S. Quartermaster, Army Camel Corp training.
It also piloted a program in 2017 to introduce camels as load-bearing animals in high-altitude areas, specifically the Line of Actual Control (LAC) separating Indian-controlled Jammu and Kashmir from the part controlled by China.
The camels could carry 180-220kg loads, much more than horses or mules, and could travel faster too, according to the Times of India.
5. US special operators train on horses and mules, in case they're working in particularly rugged environments where vehicles might now be able to go.
U.S. Army Special Operations Soldiers with 2nd Battalion, 7th Special Forces Group (Airborne) ride horseback on a trail during the Special Operations Forces (SOF) Horsemanship Course at Marine Corps Mountain Warfare Training Center (MWTC), Bridgeport, Calif., June 19, 2019. The purpose of the SOF horsemanship course is to teach SOF personnel the necessary skills to enable them to ride horses, load and maintain pack animals for military applications in austere environments.
(US Marine Corps photo Lance Cpl. William Chockey)
Green Berets from Operational Detachment Alpha 595 rode horses in the mountainous, unforgiving terrain of Afghanistan just after the US invasion, earning them the nickname "horse soldiers."
6. Of course, man's best friend plays several important roles in the military.
U.S. Air Force Lt. Col. Kevin McMahon, 39th Security Forces Squadron commander, congratulates Autumn, a 39th SFS military working dog, during the latter's retirement ceremony at Incirlik Air Base, Turkey, July 29, 2019. Autumn served seven years at Incirlik and earned the Meritorious Service Medal for her contributions to the mission.
(US Air Force photo by Staff Sgt. Joshua Magbanua)
Perhaps the most famous US military dog is Chesty, the English bulldog mascot of the Marine Corps (Chesty XIV retired last year with the rank of Corporal). But Military Working Dogs (MWDs) perform the very serious duties of sniffing out explosives and drugs, and acting as patrols and sentries on military bases.
7. The Indian military uses mules and horses for transport in rugged terrains and high altitudes.
(Photo by Doruk Yemenici)
As of 2019, the Indian armed forces were using horses and mules to transport supplies in difficult terrain, although plans to replace the four-legged forces with ATVs and drones came up in a 2017 Army Design Bureau report, according to the Hindustan Times.
This article originally appeared on Business Insider. Follow @BusinessInsider on Twitter.
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