Image source: Stringer/Anadolu via Getty Images
Iran's Revolutionary Guards have claimed that they have targeted and destroyed a US early-warning radar in Bahrain.
The job of early-warning radar is to detect threats like missiles in time and give information about it to the defense system.
However, the US Army's Central Command rejected the claims of the Islamic Revolutionary Guard Corps in a post on Twitter.
US Centcom wrote on Twitter, "The IRGC launched two unilateral attack drones towards Bahrain, but US forces shot down both. No one was injured or suffered any damage in this incident.
Iran says that this action was taken in response to the alleged US airstrike on a telecommunication tower in its southern Syrian region.
Why is American radar installed in a small island country in the Gulf? Why is Bahrain so important to America? And if Iran's claim is true, how much damage could it cause to the US military?
Why is Bahrain so important for America?
Image source, MAZEN MAHDI/AFP via Getty Image
Bahrain appears small on the Gulf map. But its role is much bigger for the US Navy.
According to a September 2026 report by the Congressional Research Service (CRS), which conducts research for the US Parliament, Bahrain has been hosting the headquarters of the US Naval Command since 1948.
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The US Navy has its Naval Support Activity Bahrain in the capital Manama. This has been the headquarters of the US Navy's Fifth Fleet and the command that oversees its naval operations in West Asia.
According to CRS, the base has long been a hub for supplies, communications and other needs for US naval operations. Thousands of American soldiers, civilian employees and their families have also lived here.
Bahrain's Khalifa Bin Salman port is also important for America. In another CRS report, it has been described as one of the few ports in the Gulf where American aircraft carriers and large amphibious ships carrying troops and military equipment by sea can come.
There is also a defense agreement between America and Bahrain since 1991. Under this, America gets permission to use Bahrain's military facilities, bases and airspace.
That means Bahrain is not just a place for American soldiers to live. It is the center for conducting US naval activities in a large maritime area and for maintaining coordination with allied countries.
How large an area does the Fifth Fleet monitor?
According to the US Navy, the Fifth Fleet's surveillance area covers approximately 2.5 million square miles of sea area.
It includes the Gulf, Gulf of Oman, Red Sea and some parts of the Indian Ocean.
There are also three important sea routes in this area like Hormuz Strait, Bab al-Mandab and Suez Canal.
Through these routes, ships carrying oil, gas and other goods reach different parts of the world.
From the command center in Manama, America has been monitoring its ongoing operations in such a large maritime area and the activities taking place with the allied countries.
What makes Bahrain's location special?
Image source, Mazen Mahdi/AFP) (Photo by MAZEN MAHDI/AFP via Getty Images)
Bahrain is a country made up of islands off the eastern coast of Saudi Arabia.
According to the geographical description of the Government of Bahrain, it is approximately midway between the mouth of the Shatt-al-Arab River and the Strait of Hormuz on the Iraqi side.
Therefore, it would not be correct to call Bahrain a country situated at the mouth of Hormuz. But its location is such that it is easy to reach a large part of the bay.
With this space, America also gets long-used ports and military facilities. If we look at these two things together, then it is understandable why America has been carrying out its naval activities from Bahrain.
However, just by looking at the location of a place on the map, it cannot be decided how important the radar installed there was.
For this, information about the model of the radar, its range and its connection with other defense systems is also necessary. This information has not been revealed in Iran's latest claim.
What does early-warning radar do?
Image source, KIM JAE-HWAN/AFP via Getty Images
Before stopping a missile, it is necessary to detect it.
Early-warning radar helps in finding out where the missile came from, in which direction it is going and what could be its possible path.
After this, this information is sent to the command system, which decides which defense system will be used to deal with the threat.
According to American research organization CSIS, early-warning radars help in detecting incoming missiles and tracking their path. This information reaches other defense systems, so that action can be taken to stop the missile.
Radar itself is not a weapon to destroy the missile. But without the information given by him, it may be difficult to stop the missile in time.
Therefore, damage to an important radar can be serious. But this does not mean that as soon as one radar is shut down, the entire American defense system will come to a standstill.
The impact will depend on what function that radar used to perform and how much information other radars or sensors can provide in its place.
It is not yet clear which radar was allegedly targeted in Bahrain.
How much loss did America suffer?
There is no confirmed data available on the damage caused by the latest attack.
But American military bases in Bahrain have suffered significant damage in previous attacks.
An ABC News report published on March 3, 2026, based on satellite images, stated that several major buildings and two satellite communication terminals at the Fifth Fleet headquarters in Manama were destroyed.
Subsequently, another investigation by ABC News on March 18, based on satellite images and verified video, also documented damage to a large dome-like structure covering radar at the Fifth Fleet headquarters.
According to the CRS report released in September 2026, the initial estimate for the repair of the US naval base in Bahrain was at least $400 million.
The report said that due to the loss, the US Navy had to rely more on distant bases such as Diego Garcia in the Indian Ocean to deliver supplies to its ships.
But this is the damage of the old attacks that started in February. This cannot be added to the claim of the latest attack on November 13.
The functions of satellite communication terminals and early-warning radar may also be different. Therefore, it is not right to consider the previously destroyed equipment and the now allegedly targeted radar as one and the same.
Did America fail to stop the attack?
Such a conclusion cannot be drawn from the information currently available.
It has not been confirmed whether missiles, drones were sent or any other weapon was used in the alleged attack. It is also not known how many weapons were fired and how the American or Bahraini defense systems responded.
Iran's claim of destroying radar alone does not answer these questions.
However, reporting of past attacks suggests that low-flying drones can pose a major challenge to the security of military bases.
A BBC report published on March 6 mentioned a verified video. In this, a drone was seen colliding with a structure that appeared to be a radar installation at the Fifth Fleet Headquarters in Manama.
The report quoted experts as saying that drones flying at very low altitudes may be difficult to detect for radars that mainly focus on missile threats.
But this is a general security challenge related to old attacks. This does not prove that drones were also used in the alleged November attack or that the attack was successful because of this.
What does targeting Bahrain mean for Iran?
The presence of the US Navy's Fifth Fleet headquarters and other military facilities in Bahrain makes it an important target for Iran.
In September 2026, an analysis published on the website of the American research organization Center for Strategic and International Studies, or CSIS, said that by attacking American military bases and equipment in the Gulf, Iran wanted to put pressure on America's ability to wage war.
Such attacks also affect the Gulf countries which host American soldiers and military facilities.
The question that may arise before them is whether the American presence is providing them security or making them a target of conflict.
But the reasons given by Iran for the latest action will have to be kept separate from this larger strategic objective.
The Revolutionary Guards say the attack was a response to an alleged US airstrike on a telecommunications tower in Syria.
At present, three information will be most important to know the truth of Iran's claim: an official response from the US or Bahrain, identification of the targeted radar and concrete evidence of damage.
Only these will reveal what actually happened and how much impact it has had on the US Navy and its early-warning system.
Published by Collective Newsroom for the BBC.
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