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6 Mar 2026·Source: The Indian Express
4 min
International RelationsPolity & GovernanceNEWS

US Strikes Off Sri Lankan Waters Near India, Raising Regional Concerns

UPSC-PrelimsUPSC-Mains

Quick Revision

1.

The US military conducted strikes in Sri Lankan waters.

2.

The strikes reportedly targeted 'bladders' or underwater infrastructure.

3.

India expressed 'deep concern' over the incident, citing maritime security and sovereignty issues.

4.

Sri Lanka stated it was 'unaware' of any US military activity in its waters.

5.

The incident occurs amidst growing US-China rivalry in the Indo-Pacific.

6.

India views the Indian Ocean as its strategic backyard.

7.

The US has not officially confirmed the nature of the strikes or targets.

Key Dates

March 6, 2026 (date of incident)

Visual Insights

US Strike in Sri Lankan Waters: Geopolitical Hotspot

This map illustrates the location of the US strike on the Iranian frigate IRIS Dena near Sri Lanka, highlighting its proximity to India and the broader Indian Ocean Region (IOR). It also marks Visakhapatnam, where the Iranian vessel participated in India's naval exercises, underscoring the incident's geopolitical implications.

Loading interactive map...

📍Sri Lanka (Colombo)📍Approx. Strike Location📍Visakhapatnam, India📍India (New Delhi)

Indian Ocean Region: Escalating Tensions & India's Response (2015-2026)

This timeline traces key developments in the Indian Ocean Region, from India's strategic vision to recent geopolitical incidents, highlighting the increasing militarization and challenges to regional stability.

The Indian Ocean Region has been a crossroads of civilizations for millennia, but its strategic importance surged post-2000s. India's SAGAR vision, launched in 2015, aimed to foster security and growth. However, recent events like the US strike on the IRIS Dena in March 2026 highlight the escalating geopolitical tensions and the complex challenges to maintaining stability in this vital region.

  • 2015PM Modi launches SAGAR vision in Mauritius, outlining India's proactive approach to IOR.
  • Early 2000sIOR's strategic importance surges due to rising global trade, energy demands, and new maritime powers.
  • 2022-2025Increasing geopolitical competition, non-traditional threats (piracy, terrorism), and natural disasters in IOR.
  • Feb 2026India hosts MILAN 2026 & International Fleet Review (IFR) in Visakhapatnam; Iranian frigate IRIS Dena participates.
  • March 2026US submarine torpedoes and sinks Iranian frigate IRIS Dena near Sri Lanka's southern coast.
  • March 2026Second Iranian warship, IRIS Bushehr, seeks humanitarian assistance in Sri Lankan waters; Sri Lanka grants permission.
  • March 2026Domestic debate in India on government's response, 'Net Security Provider' role, and underwater domain awareness.
  • March 2026PM Modi emphasizes rule of law, dialogue, and diplomacy for conflict resolution amidst IOR tensions.

Mains & Interview Focus

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The recent US military strikes in Sri Lankan waters, reportedly targeting underwater infrastructure, represent a significant escalation of geopolitical tensions in the Indian Ocean Region (IOR). This incident directly challenges the established norms of maritime sovereignty and international law, particularly the principles enshrined in the United Nations Convention on the Law of the Sea (UNCLOS). India's immediate concern is not merely about a friendly nation's waters being used, but the dangerous precedent this sets for unilateral military actions by external powers in a strategically vital region. Such actions undermine regional stability and could lead to an unpredictable security environment.

Sri Lanka's reported unawareness of the strikes is particularly alarming. It highlights a potential disregard for a sovereign nation's control over its own maritime territory, even if there are existing defense agreements. This situation demands a robust diplomatic response from New Delhi, not just seeking clarification but firmly reiterating the importance of respecting national sovereignty and adhering to international protocols. Failure to do so could embolden other actors to conduct similar operations, further militarizing the IOR.

The incident must be viewed through the prism of intensifying US-China rivalry in the Indo-Pacific. Both global powers are vying for influence, and the IOR is increasingly becoming a theatre for their strategic competition. While India advocates for a Free and Open Indo-Pacific, this vision must be predicated on adherence to international law and respect for the sovereignty of littoral states. Covert operations or strikes without explicit consent contradict the spirit of transparency and cooperation that India seeks to foster in the region.

India, as a major regional power and a proponent of the SAGAR (Security and Growth for All in the Region) doctrine, has a vested interest in maintaining the IOR as a zone of peace and stability. This incident necessitates a comprehensive review of India's maritime security posture and diplomatic engagements with both the US and Sri Lanka. New Delhi must leverage its strategic partnerships to advocate for a multilateral framework that ensures adherence to international law and prevents unilateral actions that could destabilize the region. A clear, unequivocal stance is essential to protect India's long-term strategic interests and uphold regional security architecture.

Exam Angles

1.

GS Paper 2: International Relations - India's foreign policy, relations with neighbours, impact of global powers on India's strategic interests.

2.

GS Paper 3: Security Issues - Maritime security challenges, role of external state and non-state actors, India's maritime strategy.

3.

Geopolitics and Geostrategy: Understanding the Indian Ocean as a strategic theatre and the implications of great power competition.

4.

International Law and Conventions: Relevance of UNCLOS and international protocols in resolving maritime disputes and ensuring freedom of navigation.

View Detailed Summary

Summary

The US military conducted strikes in Sri Lankan waters, reportedly hitting underwater infrastructure. This has worried India because it's close to their territory and could lead to more military activity in the Indian Ocean, impacting India's security and control over its surrounding seas.

अमेरिकी सेना ने श्रीलंका के जलक्षेत्र में, विशेष रूप से 'ब्लैडर' या पानी के नीचे के बुनियादी ढांचे को निशाना बनाते हुए हमले किए हैं, जिससे भारत में समुद्री सुरक्षा को लेकर चिंताएं बढ़ गई हैं। भारत की समुद्री सीमाओं के पास हुई इस घटना ने संप्रभुता और संवेदनशील हिंद महासागर क्षेत्र में बढ़ते सैन्यीकरण की संभावना जैसे महत्वपूर्ण मुद्दों को उजागर किया है। भारत ऐसे अभियानों को अपने रणनीतिक हितों और अपने पड़ोसी क्षेत्र की स्थिरता पर असर डालने वाला मानता है। यह घटना जटिल भू-राजनीतिक गतिशीलता को रेखांकित करती है और साझा समुद्री क्षेत्रों में सैन्य गतिविधियों के लिए स्पष्ट अंतरराष्ट्रीय नियमों और पारदर्शिता की महत्वपूर्ण आवश्यकता पर जोर देती है। यूपीएससी उम्मीदवारों के लिए, यह घटना अंतर्राष्ट्रीय संबंध (जीएस पेपर 2) और सुरक्षा मुद्दे (जीएस पेपर 3) के लिए अत्यधिक प्रासंगिक है, खासकर भारत की विदेश नीति और समुद्री रणनीति के संबंध में।

Background

The Indian Ocean Region (IOR) is a critical geopolitical theatre, vital for global trade routes and energy security, with over 80% of the world's seaborne oil trade passing through its choke points. India, with its extensive coastline and strategic location, considers the IOR as its primary sphere of influence and a key component of its national security. Various global powers, including the United States, maintain a significant naval presence and strategic interests in the region, often conducting exercises and operations. Sri Lanka, an island nation in the IOR, holds immense strategic importance due to its proximity to major shipping lanes and India's southern coast. Its ports, like Hambantota, have become points of interest for external powers, leading to increased scrutiny of foreign military activities in its territorial waters. The concept of maritime sovereignty dictates that a coastal state has exclusive rights over its territorial sea, extending up to 12 nautical miles from its baseline, and sovereign rights over its Exclusive Economic Zone (EEZ) up to 200 nautical miles for resource exploration and exploitation.

Latest Developments

In recent years, the Indian Ocean Region has witnessed an escalation in naval activities by various global powers, including increased patrols, joint exercises, and port visits by the US, China, and other nations. This heightened presence often leads to concerns about regional stability and adherence to international maritime law. India has been actively pursuing its SAGAR (Security and Growth for All in the Region) vision, emphasizing cooperation, capacity building, and a rules-based order in the IOR to counter unilateral actions. Furthermore, there have been ongoing discussions and diplomatic efforts to establish clearer international protocols for military operations and intelligence gathering in sensitive maritime zones. Incidents involving foreign vessels or aircraft in the EEZs of littoral states often spark diplomatic protests, underscoring the need for greater transparency and mutual respect for sovereign rights. The future trajectory of maritime security in the IOR will likely involve continued strategic competition, necessitating robust diplomatic engagement and adherence to conventions like the UNCLOS (United Nations Convention on the Law of the Sea).

Frequently Asked Questions

1. Why would the US conduct strikes in Sri Lankan waters, especially when Sri Lanka claims to be unaware, and what does this imply about international maritime protocols?

The US conducting strikes in another sovereign nation's waters without their explicit knowledge or consent raises serious questions about adherence to international maritime law and sovereignty. It could imply either a lack of communication, a deliberate assertion of power, or a covert operation.

  • Challenges the principle of 'innocent passage' and freedom of navigation when military activities are involved.
  • Undermines trust and transparency crucial for regional stability.
  • Highlights the need for clearer international rules for military activities in shared maritime spaces.

Exam Tip

Focus on the legal implications of 'maritime sovereignty' and 'international protocols' (UNCLOS) when analyzing such incidents.

2. The US strikes reportedly targeted 'bladders' or underwater infrastructure. What specific aspect of this target is important for UPSC Prelims?

For Prelims, the key is to understand that 'underwater infrastructure' can refer to critical communication cables, energy pipelines, or surveillance equipment. Targeting such infrastructure indicates a focus on disrupting strategic capabilities rather than conventional naval assets.

Exam Tip

UPSC often tests specific terms from current affairs. Be prepared for questions on the type of infrastructure (e.g., communication, energy, surveillance) and its strategic importance. Don't confuse 'bladders' with biological terms; here it refers to a type of underwater structure.

3. How does this incident fit into the broader trend of increasing militarization and great power rivalry in the Indian Ocean Region (IOR)?

This incident is a clear manifestation of the escalating naval activities and strategic competition among global powers, particularly the US and China, in the IOR.

  • The IOR is a critical geopolitical theatre for global trade and energy security.
  • Increased patrols, joint exercises, and port visits by various nations are becoming common.
  • Such incidents underscore the potential for miscalculation and heightened tensions in an already sensitive region.

Exam Tip

When analyzing IOR developments, always link them to the broader US-China rivalry and India's strategic response (e.g., SAGAR vision).

4. India expressed 'deep concern' over strikes in Sri Lankan waters. What specific aspects of India's strategic interests are threatened by such incidents?

India's concern stems from its extensive coastline, dependence on IOR trade routes, and its role as a net security provider in the region.

  • Maritime Security: Any unauthorized military activity near its borders poses a direct threat to its maritime security.
  • Sovereignty: Operations in a neighboring country's waters without consent can set a precedent that challenges regional sovereignty.
  • Regional Stability: Increased militarization and potential for conflict disrupt the stability of India's immediate neighborhood.
  • Strategic Interests: The IOR is India's primary sphere of influence; external military actions affect its strategic calculus.

Exam Tip

Remember India's "SAGAR" vision (Security and Growth for All in the Region) and how such incidents challenge its principles of cooperation and a rules-based order.

5. Given this incident's relevance to International Relations (GS Paper 2) and Security Issues (GS Paper 3), what is a common MCQ trap UPSC might set regarding India's stance?

A common trap would be to present India's concern as a direct condemnation of the US, or to suggest India is taking a side in the US-China rivalry based solely on this incident.

Exam Tip

India's stance is usually nuanced, emphasizing 'deep concern' over maritime security, sovereignty, and the need for international protocols, rather than outright blaming a specific nation. The focus is on the action and its implications for regional stability, not necessarily the actor itself in a condemnatory way.

6. What strategic options does India have to address such incidents of foreign military activity close to its maritime borders, balancing its relationships with major powers?

India's response needs to be multi-faceted, leveraging diplomatic channels, strengthening regional partnerships, and enhancing its own maritime capabilities.

  • Diplomatic Engagement: Engage bilaterally with the US and Sri Lanka to seek clarification and emphasize adherence to international law.
  • Regional Cooperation: Strengthen initiatives like SAGAR and work with IOR littoral states to develop a common framework for maritime security and transparency.
  • Capacity Building: Continue investing in its own naval and maritime surveillance capabilities to monitor and respond to threats.
  • Advocacy for Rules-Based Order: Champion the need for clear international rules and transparency in military activities in shared maritime spaces.

Exam Tip

In Mains answers, always provide actionable policy recommendations, not just critiques. For interviews, demonstrate a balanced understanding of geopolitical complexities.

7. What is the difference between 'Maritime Sovereignty' and 'International Protocols' in the context of such incidents, and how does this incident challenge them?

Maritime Sovereignty refers to a nation's exclusive rights over its territorial waters (up to 12 nautical miles from the baseline), including the airspace above and seabed below. International Protocols, like UNCLOS, are agreements governing maritime activities globally.

  • Challenge to Sovereignty: If the US strikes occurred within Sri Lanka's territorial waters without consent, it's a direct violation of Sri Lankan sovereignty.
  • Challenge to Protocols: Even in Exclusive Economic Zones (EEZ) beyond territorial waters, military activities must generally respect international law, including notification and non-interference with coastal state rights. Sri Lanka being 'unaware' suggests a breach of transparency protocols.

Exam Tip

Differentiate between Territorial Waters, Contiguous Zone, EEZ, and High Seas, and the varying degrees of sovereign rights and international freedoms in each.

8. What are the potential long-term implications of such unilateral military actions in the Indian Ocean Region, and what should aspirants monitor?

Such actions risk normalizing unilateral military operations, potentially leading to a more militarized and less stable IOR, undermining the rules-based international order.

  • Erosion of Trust: Reduces trust among regional states and external powers, hindering cooperation.
  • Arms Race: Could trigger an arms race as nations seek to enhance their defensive capabilities.
  • Increased Incidents: Higher frequency of unplanned encounters and potential for escalation.
  • Impact on Trade: Disruptions to vital shipping lanes could impact global trade and energy security.

Exam Tip

Monitor subsequent diplomatic statements from India, Sri Lanka, and the US, as well as any new regional security dialogues or joint naval exercises that emerge in response.

9. How is this incident primarily relevant for UPSC Mains, specifically linking to GS Paper 2 (International Relations) and GS Paper 3 (Security)?

For Mains, this incident serves as a live case study to analyze India's foreign policy challenges, maritime security doctrines, and the complexities of great power competition in its neighborhood.

  • GS Paper 2 (IR): Discusses India's relations with its neighbors (Sri Lanka), major powers (US), and the implications for multilateral institutions (UNCLOS, international law).
  • GS Paper 3 (Security): Addresses maritime security, challenges to India's coastal defense, and the impact of external military presence on national security.

Exam Tip

When a question asks for relevance to multiple papers, ensure your answer explicitly connects specific aspects of the incident to the syllabus points of each paper. Use keywords like 'maritime security', 'sovereignty', 'rules-based order', 'geopolitical dynamics'.

10. How does this incident complicate the existing geopolitical dynamics in the Indian Ocean Region, particularly concerning US-China rivalry and India's role?

The incident exacerbates the already tense US-China rivalry by demonstrating overt military actions, putting India in a delicate position as it seeks to balance its strategic autonomy with partnerships.

  • US-China Rivalry: The strikes are seen as part of the broader US strategy to counter China's growing influence in the Indo-Pacific, potentially escalating tensions.
  • India's Dilemma: India values its strategic partnership with the US but also emphasizes regional sovereignty and a rules-based order, which such unilateral actions challenge.
  • Sri Lanka's Position: Sri Lanka, already navigating debt diplomacy with China, finds itself caught between major powers, affecting its foreign policy space.

Exam Tip

When discussing geopolitical dynamics, always consider the perspectives and implications for all key actors involved, not just one.

Practice Questions (MCQs)

1. With reference to the recent US military strikes in Sri Lankan waters, consider the following statements: 1. The strikes reportedly targeted "bladders" or underwater infrastructure. 2. India has expressed concerns primarily regarding maritime security and sovereignty. 3. The incident highlights the need for clearer international protocols in sensitive maritime areas. Which of the statements given above is/are correct?

  • A.1 and 2 only
  • B.2 and 3 only
  • C.1 and 3 only
  • D.1, 2 and 3
Show Answer

Answer: D

Statement 1 is CORRECT: The original summary explicitly states that the US military strikes in Sri Lankan waters reportedly targeted "bladders" or underwater infrastructure. Statement 2 is CORRECT: The summary mentions that India has raised concerns regarding maritime security, sovereignty, and the potential for increased militarization in the Indian Ocean region. Statement 3 is CORRECT: The incident, as per the summary, highlights the complex geopolitical dynamics and the need for clear international protocols in such sensitive areas. All three statements are directly supported by the provided summary.

2. Consider the following statements regarding maritime zones as defined by the United Nations Convention on the Law of the Sea (UNCLOS): 1. A coastal state has full sovereignty over its territorial sea, extending up to 12 nautical miles from the baseline. 2. The Exclusive Economic Zone (EEZ) extends up to 200 nautical miles from the baseline, where the coastal state has exclusive rights for exploration and exploitation of natural resources. 3. Innocent passage is permitted through the contiguous zone, but not through the territorial sea. Which of the statements given above is/are correct?

  • A.1 only
  • B.2 only
  • C.1 and 2 only
  • D.1, 2 and 3
Show Answer

Answer: C

Statement 1 is CORRECT: Under UNCLOS, the territorial sea extends up to 12 nautical miles from the baseline, and a coastal state exercises full sovereignty over this zone, including its airspace and seabed. Statement 2 is CORRECT: The Exclusive Economic Zone (EEZ) extends up to 200 nautical miles from the baseline. Within the EEZ, the coastal state has sovereign rights for the purpose of exploring and exploiting, conserving and managing natural resources, whether living or non-living, of the waters superjacent to the seabed and of the seabed and its subsoil. Statement 3 is INCORRECT: Innocent passage is permitted through the territorial sea, provided it is not prejudicial to the peace, good order or security of the coastal state. The contiguous zone is a zone where the coastal state can exercise control to prevent infringement of its customs, fiscal, immigration, or sanitary laws, but it is not primarily about passage permissions in the same way as the territorial sea.

3. The term "SAGAR" (Security and Growth for All in the Region) is often associated with India's foreign policy in which of the following regions?

  • A.South China Sea
  • B.Arctic Region
  • C.Indian Ocean Region
  • D.Mediterranean Sea
Show Answer

Answer: C

The term "SAGAR" (Security and Growth for All in the Region) is a strategic vision articulated by India for the Indian Ocean Region (IOR). It emphasizes cooperation, capacity building, and a rules-based order to ensure peace, stability, and prosperity for all nations in the region. This initiative reflects India's proactive approach to maritime diplomacy and security in its immediate neighbourhood and beyond.

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About the Author

Anshul Mann

Geopolitics & International Affairs Analyst

Anshul Mann writes about International Relations at GKSolver, breaking down complex developments into clear, exam-relevant analysis.

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