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Why the F-35 Lightning II Is Not the Right Fit for India: Strategic, Operational, and Geopolitical Realities

Why the F-35 Lightning II Is Not the Right Fit for India: Strategic, Operational, and Geopolitical Realities

A cinematic illustration showing Indian Air Force Rafale, Tejas, and AMCA fighter aircraft flying over the Himalayan region, with a distant F-35 stealth jet in the background, representing strategic air power comparison.
Indian Air Force Rafale, Tejas, and next-generation AMCA fighters fly over the Himalayas as a US F-35 appears in the distance, highlighting differing strategic approaches to modern air combat.

Introduction

The F-35 Lightning II, developed by the United States and led by Lockheed Martin, is widely regarded as one of the most technologically advanced fifth-generation fighter aircraft in the world. Designed around stealth, sensor fusion, and network-centric warfare, the F-35 has been inducted by several US allies across Europe and the Asia-Pacific region.

However, despite growing defense cooperation between India and the United States, the F-35 has never been seriously considered for induction into the Indian Air Force (IAF). This has led to recurring questions in defense circles and among the public: Why is India not pursuing the F-35?

The answer lies not in a single factor, but in a complex mix of strategic autonomy, operational requirements, cost considerations, geopolitical constraints, and India’s long-term defense industrial goals. This article examines, in detail, why the F-35 is widely viewed as unsuitable for India’s unique military and strategic environment.


1. The F-35 and US Export Restrictions

One of the most fundamental reasons is that the F-35 is not currently on offer to India.

The United States follows strict export controls for its most sensitive defense platforms. The F-35 is treated not just as a fighter aircraft, but as a highly classified combat system with tightly guarded stealth, sensor, and software technologies.

India’s procurement of the Russian S-400 Triumf air defense system has further complicated matters. Under the US Countering America’s Adversaries Through Sanctions Act (CAATSA), countries operating advanced Russian military systems face restrictions when seeking access to sensitive US technologies.

This concern is not theoretical. Turkey, a NATO member and original F-35 partner, was removed from the program after acquiring the S-400. In this context, extending the F-35 to India—while it continues to operate major Russian platforms—remains politically and strategically improbable.


2. Strategic Autonomy: A Core Pillar of Indian Defense Policy

India has historically pursued a policy of strategic autonomy, avoiding excessive dependence on any single foreign power. This approach shapes nearly every major defense acquisition decision.

The F-35 ecosystem is fundamentally different from traditional fighter aircraft programs. Operators remain deeply dependent on the United States for:

·         Mission software and updates

·         Encrypted logistics and maintenance systems

·         Weapons integration approval

·         Mission data files critical for combat effectiveness

Unlike platforms where countries can independently modify avionics or integrate indigenous weapons, the F-35 operates as a “closed system”, with the US retaining ultimate control over upgrades and configurations.

For India, which values sovereign decision-making in wartime, such dependence is viewed as a strategic vulnerability rather than an advantage.


3. Cost and Lifecycle Burden

While the F-35’s flyaway cost has decreased over the years, ownership costs remain among the highest in the world.

Key cost challenges:

·         High maintenance and sustainment expenses

·         Expensive spare parts with limited supplier flexibility

·         Specialized infrastructure requirements

·         Long-term dependency on US logistics chains

India faces the challenge of maintaining adequate squadron strength across two potential fronts, requiring both quality and quantity. A smaller fleet of extremely expensive aircraft could strain budgets and reduce operational flexibility.

By contrast, India has prioritized:

·         Upgrading existing fleets like the Su-30MKI

·         Expanding the Rafale ecosystem

·         Investing heavily in indigenous fighter programs


4. Operational Environment and Geographic Constraints

India’s operational environment is among the most demanding in the world.

Key challenges include:

·         High-altitude airbases in Ladakh and the Himalayas

·         Extreme heat, dust, and humidity

·         Short and dispersed runways

·         Long-range missions over mountains, deserts, and oceans

The Indian Air Force has traditionally favored twin-engine fighters, citing greater safety margins during operations over mountainous terrain and long over-water flights.

The F-35, particularly the F-35A variant, is a single-engine aircraft optimized for highly networked Western airbases with robust logistical support. Adapting it to India’s dispersed and austere forward operating bases would require substantial additional investment.


5. Lack of Technology Transfer and Local Manufacturing

India’s defense procurement policy increasingly emphasizes self-reliance, local manufacturing, and technology absorption under initiatives such as Make in India and Atmanirbhar Bharat.

The F-35 program offers:

·         No meaningful technology transfer

·         No access to source codes

·         No scope for indigenous engine, radar, or weapon integration

·         No local production outside tightly controlled partner nations

For India, purchasing such a platform would bring operational capability but little long-term industrial benefit. In contrast, indigenous programs are designed to build domestic expertise, supply chains, and export potential.


6. India’s Existing and Planned Alternatives

India already operates and is developing platforms that align more closely with its strategic goals.

Current and future assets include:

·         Rafale: A multirole fighter with proven combat performance, operational flexibility, and greater customization options

·         Su-30MKI: India’s air dominance backbone, undergoing upgrades with indigenous weapons and sensors

·         Tejas Mk1A and Mk2: Scalable, cost-effective fighters strengthening domestic aerospace capability

·         AMCA (Advanced Medium Combat Aircraft): India’s indigenous fifth-generation stealth fighter program

Rather than importing a fully developed foreign stealth platform, India has chosen to invest in its own fifth-generation roadmap, even if it takes longer to mature.


7. Geopolitical and Wartime Considerations

Defense planners also consider worst-case scenarios. In a major conflict, supply chains, software updates, and diplomatic alignments matter as much as performance specifications.

Heavy reliance on a single foreign supplier—especially for mission-critical software—introduces risks related to:

·         Political pressure

·         Export restrictions

·         Delays in spares or upgrades during crises

India’s experience with sanctions and embargoes in the past has reinforced the importance of diversified sourcing and domestic capability.


Conclusion

The F-35 Lightning II is undeniably one of the world’s most advanced fighter aircraft. However, capability alone does not determine suitability.

For India, the F-35 presents multiplechallenges:

·         Export and policy constraints

·         Limited operational autonomy

·         High lifecycle costs

·         Minimal industrial benefits

·         Misalignment with India’s terrain and doctrine

Rather than reflecting a rejection of advanced technology, India’s decision not to pursue the F-35 reflects a deliberate and strategic choice—one focused on long-term self-reliance, operational flexibility, and national control over critical defense assets.

As India advances programs like Tejas and AMCA, the emphasis remains clear: building indigenous strength while selectively partnering internationally, rather than relying on closed, externally controlled systems.

 

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