Iran has found a new way to harass US warships, and it's got the US Navy on edge
Marine Corps/Cpl. Jon Sosner
- The US Navy says it hasn't had an unsafe interaction at sea with Iran in more than a year.
- During that period, however, Iranian drones have become more active over the Persian Gulf, worrying the Navy.
- Iran's drones are just one asset Iran has that it could use to challenge freedom of movement in th Gulf.
It's been more than a year since US Navy ships in the Persian Gulf have had what they call unsafe or unprofessional interactions with Iranian vessels, but Iran has found a new way to keep tabs on US warships in one of the world's most heavily trafficked sea corridors.According to the Navy, Iranian unmanned aerial vehicles are increasingly active over the gulf, operating in what officials have described as unsafe ways. Marine Corps and Navy officials said US ships in the Persian Gulf are now regularly overflown by Iranian unmanned aerial vehicles, USNI News reported earlier this week.
In the most recent incident, a drone without any navigation lights flew close to aircraft conducting night-landing operations on the aircraft carrier USS Nimitz.Prior to that, on August 8, 2017, an Iranian drone flew close to fixed-wing aircraft conducting flight operations, causing an F/A-18E Super Hornet to maneuver in order to avoid a collision, Morgan said.
Marine Corps/Gunnery Sgt. Eric L. Alabiso II
The Navy has also been absent from the Persian Gulf for extended periods this year.
When the amphibious assault ship USS Iwo Jima sailed into the gulf in June, it was the first time in two and a half months that a capital ship had entered the region. (Some ships from the Iwo Jima's group also remained elsewhere during the operation.)"We did go to the Persian Gulf. We got the normal welcome from the Iranians, UAVs overflights, exactly as we trained for; no surprises there," Capt. Jack Killman, commander of the ARG's Amphibious Squadron 4, said at a conference on Tuesday.
Two Arleigh Burke-class destroyers where also operating in the area while the Iwo Jima was in the gulf, according to USNI News. Those destroyers, which are outfitted with powerful air search radars, can detect and identify approaching drones and boats.
Picking up smaller drones and figuring out whether they are a threat is harder, Killman said."The small boats [and] the UAVs are definitely out there tracking us," he said.
Small boats and drones are just two components of the layers of asymmetric defenses that Iran has deployed to the Gulf region, particularly to the area around the Strait of Hormuz, a narrow channel in the Persian Gulf through which roughly 30% of world's oil flows.Iran has also made profligate use of sea mines, which pose a unique and hard-to-counter threat to the Navy, and recently boasted of increasing the range of its land-t0-sea ballistic missiles, enabling them to strike "any vessel or ship" out to 435 miles.
The US also takes the layered-defense approach, of which the destroyers are a big part. Though the Navy's capacity to keep all the needed parts of that defense in place at the same time may be an issue, Killman said.Iranian drones' increasing presence above and around US ships hasn't changed the way the Navy operates, Morgan, the NAVCENT spokesperson, said on Thursday."The United States Navy has not adjusted its operations and will continue to operate wherever international law allows," Morgan told Business Insider, adding that the service continues to work to ensure freedom of navigation and free flow of shipping in international waters.
"The US Navy continues to remain vigilant, and our commanding officers retain the inherent right to act in self-defense," Morgan added.
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