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Iran doesn't have 'kamikaze dolphins,' Hegseth says. But marine mammals have a long history of military use

Cnbc · · 901 words · By Sophie Caldwell; Kamaron McNair; Jessica Dickler
open_in_new Read the original article: https://www.cnbc.com/2026/05/05/iran-war-hegseth-kamikaze-dolphins.html

fact_checkFact-Check Results

14 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

schedule Pending 4
info Single Source 3
check_circle Corroborated 3
verified Verified By Reference 2
help Insufficient Evidence 2
info
“Defense Secretary Pete Hegseth in a briefing Tuesday shut down the idea that Iran could weaponize marine mammals in the Strait of Hormuz”
SINGLE SOURCE
While web search results confirm Defense Secretary Pete Hegseth's existence and his briefings regarding the Strait of Hormuz and ceasefires, none of the provided evidence mentions him 'shutting down the idea that Iran could weaponize marine mammals'.
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web search NEUTRAL — Defense Secretary Pete Hegseth asserted at a Pentagon briefing Tuesday that the ceasefire was “not over” despite the clashes in the strait. Chairman of the Joint Chiefs of Staff Gen.
https://endoftheamericandream.com/the-truth-about-what-is-re…
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web search NEUTRAL — Recently, US Defense Secretary Pete Hegseth addressed the pressing security concerns regarding threats from Iran, noting that the waters remain open for transit. However, he expressed significant conc…
https://www.tiktok.com/@alarabiya_eng/video/7616744752800648…
travel_explore
web search NEUTRAL — Defense Secretary Pete Hegseth acknowledged Friday that the U.S. military had opened a comprehensive investigation into the attack on an Iranian elementary school.
https://newrepublic.com/post/207795/donald-trump-begs-nato-c…
info
“Several countries, including the U.S., have a history of using dolphins in conflict areas”
SINGLE SOURCE
The evidence provided for this claim consists of irrelevant search results for United Airlines and does not mention the use of dolphins in conflict areas.
travel_explore
web search NEUTRAL — Find the latest travel deals on flights, hotels and rental cars. Book airline tickets and MileagePlus award tickets to worldwide destinations.
https://www.united.com/ual/en/us/
travel_explore
web search NEUTRAL — Find and compare United Airlines flights & tickets for all destinations, read 9,683 reviews, see United Airlines fees, cancellation policy and flight information | KAYAK
https://www.kayak.com/United-Airlines.UA.airline.html
travel_explore
web search NEUTRAL — United Airlines MileagePlus Exclusives. Use your MileagePlus points to bid and buy exclusive items and more.
https://exclusives.mileageplus.com/us/en
info
“The Wall Street Journal reported April 30 that Iranian officials had said Iran could use "mine-carrying dolphins" to attack U.S. warships”
SINGLE SOURCE
The evidence provided consists of general definitions of 'wall' and the WSJ homepage, but contains no mention of a report from April 30 regarding mine-carrying dolphins.
travel_explore
web search NEUTRAL — Wall construction falls into two basic categories: framed walls or mass-walls. In framed walls, the load is transferred to the foundation through posts, columns or studs.
https://en.wikipedia.org/wiki/Wall
travel_explore
web search NEUTRAL — Watch why the U.S., Europe and Asia are hit so differently by the jet-fuel crisis. It makes growth look better and the job market look worse. Maybe an AI bust wouldn’t hurt so much after all.
https://www.wsj.com/
travel_explore
web search NEUTRAL — The meaning of WALL is a high thick masonry structure forming a long rampart or an enclosure chiefly for defense —often used in plural. How to use wall in a sentence.
https://www.merriam-webster.com/dictionary/wall
verified
“The Strait of Hormuz has been largely blocked during the war”
VERIFIED BY REFERENCE
Wikipedia explicitly states that shipping traffic through the Strait of Hormuz has been largely blocked by Iran since February 28, 2026.
travel_explore
web search NEUTRAL — Shipping traffic through the Strait of Hormuz, a major maritime choke point for world energy trade, has been largely blocked by Iran since 28 February 2026, when the United States and Israel launched …
https://en.wikipedia.org/wiki/2026_Strait_of_Hormuz_crisis
travel_explore
web search NEUTRAL — Map of strait of Hormuz. At its narrowest, the strait is just 21 nautical miles wide (24 miles), constrained on one side by the coast of Iran and on the other by the Musandam peninsula in Oman.
https://www.theguardian.com/world/2026/mar/16/what-is-the-st…
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web search NEUTRAL — Iran has in the past threatened to close the Strait of Hormuz, but has never followed through on the threat. Iran’s Supreme National Security Council must make the final decision to close the strait, …
https://www.aljazeera.com/news/2025/6/23/can-iran-really-shu…
check_circle
“President Donald Trump announced "Project Freedom," an operation to free ships stranded in the strait”
CORROBORATED
The claim is corroborated by a cross-reference from CNBC and supported by general web search results regarding President Trump's current administration and activities.
travel_explore
web search NEUTRAL — List of all presidents of the United States. ^ Presidents are numbered according to uninterrupted periods served by the same person.
https://en.wikipedia.org/wiki/List_of_presidents_of_the_Unit…
travel_explore
web search NEUTRAL — Click on a president below to learn more about each presidency through an interactive timeline. The table below the graphic provides a list of presidents of the United States, their birthplaces, polit…
https://www.britannica.com/topic/Presidents-of-the-United-St…
travel_explore
web search NEUTRAL — President Donald J. Trump and Vice President JD Vance are committed to lowering costs for all Americans, securing our borders, unleashing American energy dominance, restoring peace through...
https://www.whitehouse.gov/
+ 1 more evidence source
check_circle
“Operation Epic Fury, the administration's name for the war the U.S. and Israel began on Feb. 28”
CORROBORATED
Multiple independent sources, including Wikipedia, Britannica, and Al Jazeera, confirm that the U.S. and Israel began a war against Iran on February 28, 2026, and that the U.S. dubbed it 'Operation Epic Fury'.
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web search NEUTRAL — Since 28 February 2026, the United States and Israel have been engaged in a war with Iran and its regional allies.
https://en.wikipedia.org/wiki/2026_Iran_war
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web search NEUTRAL — Midmorning on February 28, U.S. and Israeli forces began conducting joint strikes on Iran, numbering nearly 900 in just the first 12 hours of what the United States dubbed Operation Epic Fury.
https://www.britannica.com/event/2026-Iran-war
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web search NEUTRAL — US-Israel war on Iran.Trump described the operation as “massive and ongoing”. The US Department of Defense later said the mission was named “Operation Epic Fury”, in the first public statement from th…
https://www.aljazeera.com/news/2026/2/28/us-and-israel-attac…
check_circle
“Iran attacked the United Arab Emirates, and the U.S. said it sank Iranian boats in the strait on Monday”
CORROBORATED
Multiple news reports confirm that Iran attacked the UAE and that the U.S. sank Iranian boats in the Strait of Hormuz on a Monday.
travel_explore
web search NEUTRAL — An already shaky ceasefire between the United States and Iran appeared to be on the verge of collapse Monday, as the United Arab Emirates came under attack from Iranian drones and missiles and the ...
https://www.cnbc.com/2026/05/04/iran-war-uae-trump-ceasefire…
travel_explore
web search NEUTRAL — Iran launched attacks on the UAE and tankers in the Strait of Hormuz while the U.S. destroyed Iranian boats "that attempted to interfere" with Project Freedom.
https://www.cbsnews.com/live-updates/iran-war-trump-strait-o…
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web search NEUTRAL — On Monday, Iran's Fars News Agency reported that a US warship that had refused to turn back from the Strait of Hormuz had been hit by two Iranian drones. The US military's Central Command ...
https://www.aljazeera.com/news/2026/5/5/us-iran-uae-trade-ho…
verified
“Since 1959, the U.S. Navy's Marine Mammal Program has trained bottlenose dolphins and California sea lions to detect mines and other underwater threats, conduct surveillance, and locate and recover objects at sea”
VERIFIED BY REFERENCE
Wikipedia and Snopes both confirm that since 1959, the U.S. Navy's Marine Mammal Program has trained bottlenose dolphins and California sea lions for detecting mines and recovering objects.
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web search NEUTRAL — Navy Marine Mammal Program California sea lion. A US Navy sea lion jumps into a riverine command boat during a mine-countermeasures exercise in Bahrain in November 2014.
https://www.businessinsider.com/us-navy-trains-dolphins-sea-…
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web search NEUTRAL — Bottlenose dolphins and California sea lions are the main animals used, and are kept at the base in San Diego. Dolphins have powerful biological sonar, unmatched by artificial sonar technology in dete…
https://en.wikipedia.org/wiki/United_States_Navy_Marine_Mamm…
travel_explore
web search NEUTRAL — Dolphins and sea lions have been used by Navy.Since 1959, the NIWC's Marine Mammal Program has trained bottlenose dolphins and California sea lions to "detect, locate, mark and recover objects in harb…
https://www.snopes.com/news/2026/05/07/us-military-kamikaze-…
help
“During the Vietnam War, the Navy trained dolphins to detect swimmers and divers who were trying to access military facilities”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to support or refute the use of dolphins during the Vietnam War.
help
“The mammals also played a "key role" in detecting and clearing naval mines from the port of Umm Qasr during the Iraq War in 2003”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to support or refute the use of mammals in the port of Umm Qasr in 2003.
schedule
“The Soviet Navy also trained dolphins for defense during the Cold War”
PENDING
schedule
“the unit was transferred to Ukraine after the fall of the Soviet Union”
PENDING
schedule
“The Russian military reportedly revived its dolphin program after seizing Ukraine's defense dolphins in 2014 during the annexation of Crimea”
PENDING
schedule
“In 2022, satellite imagery identified two dolphin pens in the Sevastopol harbor”
PENDING
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.