For Prelims: Strait of Hormuz, Islamic Revolutionary Guard Corps (IRGC), Freedom of Navigation, Location, Tanker Name, Casualty, Cause of Explosion, Global Oil Throughput
For Mains: Energy security, Chokepoint vulnerability, Iran-US tensions, Freedom of navigation, West Asia geopolitics
Source:The Hindu
5 facts for one-day exams
SSC, railway, police and teaching exams ask direct questions like these.
- MT Velos Sapphire is a Marshall Islands-flagged, Greek-owned oil tanker.
- A seafarer was killed in an apparent missile attack on the tanker in the Gulf.
- Iran's Revolutionary Guards said tankers caught fire after hitting mines in the Strait of Hormuz.
- The Strait of Hormuz carries about one-fifth of global oil consumption.
- The US Central Command reported escorting 1.5 billion barrels of oil via Hormuz since summer.
Why in the news?
A Greek-owned oil tanker was attacked in the Gulf, killing a seafarer, amid Iranian claims of mines hitting tankers in the Strait of Hormuz. The incident highlights the strategic vulnerability of the Strait, through which about one-fifth of global oil passes, and the ongoing Iran-US confrontation affecting global energy security.
Summary
- A Marshall Islands-flagged tanker (Velos Sapphire) was struck by a projectile, killing a crew member, while sailing empty to Bahrain.
- Iran's Revolutionary Guards reported that multiple tankers caught fire after hitting mines in the Strait of Hormuz.
- The US has imposed a blockade on Iranian ports and escorts tankers through the strait; Central Command says 1.5 billion barrels of oil were exported via Hormuz since summer.
Highlights
Tanker Attack in Gulf
A Greek-owned, Marshall Islands-flagged tanker was hit by a projectile, killing one sailor, while sailing empty to Bahrain.
Iran Claims Mine Strikes
Iran's Revolutionary Guards said five oil tankers and a tugboat caught fire after hitting mines in the Strait of Hormuz.
Global Energy Chokepoint
The Strait of Hormuz carries about one-fifth of global oil, making any disruption a major security and economic concern.
Background
The Strait of Hormuz is a narrow waterway between Iran and Oman connecting the Persian Gulf to the Gulf of Oman and the Arabian Sea. It is the world's most important oil chokepoint, with about 20% of global oil consumption passing through it. Since the outbreak of the West Asia war (February 28, 2026), Iran has sought to limit traffic through the strait, and the US has imposed a blockade on Iranian ports while escorting tankers.
Key Analysis and Impact
The attack on the Velos Sapphire and the Iranian claims of mine strikes represent a direct escalation in the Iran-US confrontation. The US Central Command claims all mines have been cleared, but Iran's IRGC asserts that tankers using unauthorised routes and deactivating navigation systems are being targeted. This creates a dangerous environment for commercial shipping, threatens global oil supply chains, and could lead to higher energy prices. The incident also tests the effectiveness of the US naval escort mission.
Way Forward
The situation increases the risk of a broader military confrontation in the Gulf. The international community, including India, which is heavily dependent on Gulf oil, will be watching closely. Diplomatic efforts to de-escalate tensions and ensure freedom of navigation in the Strait of Hormuz will be critical. The incident may also accelerate global efforts to diversify energy sources and reduce dependence on the Hormuz chokepoint.
Background GK
Textbook concepts you need to understand this news
- Strait of Hormuz
- A narrow waterway between Iran and Oman connecting the Persian Gulf with the Gulf of Oman. It is the world's most important oil chokepoint, through which about 20% of global oil passes.
- Islamic Revolutionary Guard Corps (IRGC)
- A branch of Iran's armed forces founded after the 1979 Islamic Revolution. It is ideologically loyal to the Supreme Leader and commands its own ground, naval and aerospace units, including Iran's ballistic missile forces; it is also a powerful political and economic actor in Iran, but it does not 'control' the country's official civilian nuclear programme.
- Freedom of Navigation
- A principle of customary international law that ships flying the flag of any state shall not be interfered with by other states while navigating on the high seas or through straits used for international navigation.
Facts to remember
Tap a card to see the answer. Try to recall it first.
How exams will ask this
- Data: 1 sailor killed; 5 oil tankers + 1 tugboat hit mines; ~1/5 of global oil passes through Hormuz
- Nodal Body: Islamic Revolutionary Guard Corps (IRGC) of Iran
- Legal Point: UNCLOS provisions on transit passage through straits
Don't make this mistake!
Examiners may ask about the 'Strait of Hormuz' as a chokepoint and confuse it with the Strait of Malacca or Bab-el-Mandeb. They may also ask about the flag state (Marshall Islands) vs the owner state (Greece) vs the location (Gulf/Oman).
Write these in mains answers
- Energy security, Chokepoint vulnerability, Iran-US tensions, Freedom of navigation, West Asia geopolitics
Stuck? Get it in one tap
An oil tanker was attacked in the Gulf near the Strait of Hormuz, killing one sailor. Iran says its forces placed mines that hit several tankers. The Strait of Hormuz is a narrow waterway where about 20% of the world's oil passes. The US is escorting tankers through it because of tensions with Iran.
- MT Velos Sapphire is a Marshall Islands-flagged, Greek-owned oil tanker.
- A seafarer was killed in an apparent missile attack on the tanker in the Gulf.
- Iran's Revolutionary Guards said tankers caught fire after hitting mines in the Strait of Hormuz.
- The Strait of Hormuz carries about one-fifth of global oil consumption.
- The US Central Command reported escorting 1.5 billion barrels of oil via Hormuz since summer.
- International Relations: West Asia and the Gulf region
- Security: Energy security and maritime security
Related concepts: Strait of Hormuz, Islamic Revolutionary Guard Corps (IRGC), Freedom of Navigation
Practice questions
Pick an answer, then read the explanation.
- Q1Easy
Which country's armed forces claimed responsibility for the mine attacks on oil tankers in the Strait of Hormuz?
Explanation: The Islamic Revolutionary Guard Corps (IRGC), a branch of Iran's armed forces, claimed that tankers struck mines in the Strait of Hormuz. The US has been escorting tankers, not attacking them. Saudi Arabia and UAE are not directly involved in these attacks.
- Q2Hard
Consider the following statements regarding the Strait of Hormuz:
- 1.It connects the Persian Gulf with the Gulf of Oman.
- 2.Approximately one-fifth of the world's oil consumption passes through this strait.
- 3.The United Nations Convention on the Law of the Sea (UNCLOS) does not apply to transit passage through straits.
Which of the statements given above is/are correct?
Explanation: Statement 1 is correct: the Strait of Hormuz connects the Persian Gulf with the Gulf of Oman. Statement 2 is correct: about one-fifth of global oil consumption passes through it. Statement 3 is incorrect: UNCLOS Part III specifically governs transit passage through straits used for international navigation.
- Q3Medium
According to the US Central Command, how many barrels of oil were exported via the Strait of Hormuz since the summer, under US escort?
Explanation: The US Central Command reported that it had helped Gulf countries export 1.5 billion barrels of oil via Hormuz since the summer.
- Q4Medium
What is the primary global concern arising from the recent attacks on oil tankers in the Strait of Hormuz?
Explanation: The Strait of Hormuz carries about one-fifth of global oil, making any attack on shipping there a direct threat to global energy supply chains. While pollution is a secondary concern, the primary impact is on oil supply and prices. Internet cables and tourism are not the main issues.
Frequently asked questions
1. Where is the Strait of Hormuz located?
The Strait of Hormuz is located between Iran and Oman, connecting the Persian Gulf to the Gulf of Oman.
2. Which tanker was attacked in the Gulf in November 2026?
The Marshall Islands-flagged, Greek-owned tanker MT Velos Sapphire was attacked while sailing empty to Bahrain.
3. How much global oil passes through the Strait of Hormuz?
Approximately one-fifth (about 20%) of global oil consumption passes through the Strait of Hormuz.
All sources
Original7 November 2026 · Read story

