Su-57E is Most Viable Stopgap Solution for India to Counter Pak's Potential J-35 Fighters until AMCA Available, Asserts Retd Air Marshal

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Amid reports of Pakistan potentially inducting two squadrons of China's fifth-generation J-35 fighter jets by the close of 2025, a former high-ranking Indian Air Force official has suggested a strategic procurement to address the evolving air power landscape in the region.

Air Marshal Sanjeev Kapoor (Retd.) has put forward the acquisition of Russia’s Su-57E stealth fighter as an interim measure until India’s indigenous Advanced Medium Combat Aircraft (AMCA) is ready for operational service.

Air Marshal Kapoor conveyed his views on the social media platform X, stating, "With reports of Pakistan acquiring two squadrons of J-35s from China by year-end, procuring 2 to 3 squadrons of Su-57E from Russia could be an interim option for us bridging the gap until AMCA is operational."

He emphasized the critical need for India to maintain its technological advantage in aerial combat capabilities within the region.

The J-35, also known as the FC-31 Gyrfalcon, represents China's latest foray into fifth-generation stealth fighter technology and is positioned as a competitor to advanced aircraft like the American F-35.

While the J-35 is still in development, it is anticipated to possess low-observable (stealth) characteristics, sophisticated avionics, and the versatility for multiple combat roles.

The acquisition of an estimated 24 to 36 J-35 aircraft by the Pakistan Air Force (PAF), assuming standard squadron strengths, would significantly bolster Pakistan's air combat strength, potentially challenging India's current air superiority.

There is also ongoing development of a naval variant of the J-35, indicating China's broader ambitions for this aircraft platform.

Pakistan's deepening defence collaboration with China, highlighted by its existing fleet of JF-17 Thunder jets (a joint Sino-Pakistani development) and other Chinese-origin military systems, makes the potential J-35 acquisition a logical progression in its air force modernization efforts.

However, some analysts have raised questions regarding the feasibility of inducting these advanced jets by the end of 2025, considering the J-35's current developmental stage and typical production and integration timelines for such complex weapon systems.

To counter this emerging capability, Air Marshal Kapoor has proposed the procurement of approximately two to three squadrons (roughly 36 to 54 aircraft) of Russia’s Su-57E.

The Su-57E is the export version of the Su-57, NATO reporting name "Felon," which is Russia’s first operational fifth-generation stealth fighter. This aircraft features advanced radar systems, the ability to sustain supersonic flight without afterburners (supercruise), and a comprehensive suite of weaponry.

While the extent of its stealth capabilities compared to Western counterparts like the F-22 or F-35 is a subject of ongoing discussion among defence analysts, the Su-57E is considered a mature and formidable platform that could potentially be integrated into the IAF relatively quickly.

India's long-standing defence relationship with Russia, which includes the operation and licensed manufacturing of Su-30 MKI jets, makes the Su-57E a plausible interim option.

Air Marshal Kapoor’s suggestion appears to stem from concerns about the development timeline for the AMCA. This indigenous fifth-generation fighter, currently being developed by India's Aeronautical Development Agency (ADA) and Defence Research and Development Organisation (DRDO), is still in its design and early development phases.

Initial projections suggest the AMCA is unlikely to enter active service before the mid-2030s, potentially leaving a capability gap in the intervening years.

The introduction of J-35 fighters into the Pakistan Air Force could significantly alter the aerial military balance in South Asia, especially given the persistent geopolitical tensions between India and Pakistan.

India currently operates a diverse fleet of capable fourth-generation fighters, including the French Rafale, the Russian Su-30 MKI, and the upgraded MiG-29.

While formidable, these aircraft generally lack the advanced stealth, sensor fusion, and networked operational capabilities inherent in fifth-generation platforms.

The Su-57E, despite any criticisms, could offer India a near-term fifth-generation capability to effectively counter the J-35 and maintain a credible deterrent.

However, the path to acquiring the Su-57E is not without potential obstacles. India had previously been a partner in a joint programme with Russia to develop a fifth-generation fighter based on the Su-57, known as the Fifth Generation Fighter Aircraft (FGFA) project, but withdrew in 2018 citing concerns over the aircraft's stealth technology, overall cost, and the extent of technology transfer.

Furthermore, India's strengthening strategic and defence partnerships with the United States and other Western nations could complicate a major defence acquisition from Russia, particularly in light of potential US sanctions under the Countering America's Adversaries Through Sanctions Act (CAATSA).

The AMCA remains India's definitive long-term solution for a domestically produced fifth-generation fighter. This ambitious project aims to deliver an aircraft equipped with advanced stealth features, supercruise capability, cutting-edge avionics, and artificial intelligence-driven systems, thereby significantly reducing India’s dependence on foreign military hardware.

Nevertheless, with the first prototypes of the AMCA still some years away from their maiden flights and full operational capability likely more than a decade off, considering interim measures such as the Su-57E could be crucial for ensuring the Indian Air Force maintains its competitive edge and addresses any immediate capability shortfalls.
 
To expect AMCA to be battle ready by 2035 is myopic thinking and akin to missing the forest for the trees. It is a widely held belief that China along it's vassal state Pakistan and willing progeny Bangladesh are actively engaged in war games against India to disrupt the balance of power in the Indian subcontinent before 2030. India has a very short window to prepare its armed forces for this eventuality.
 
I think the SU-57E is great for the gap until AMCA comes onboard in 10 years. Low numbers of SU-57E would do wonders for the IAF. Also, Russia can help with AMCA as well for all the electronics development for ECW and X-band radars.
 
Scrap MRFA. Induct 6 squadrons of Su-57 with indigenous Virupaksha Radar, Astra Mk2, Mk3, Rudram, etc. Equip this with Israeli jammers or avionics. India could make the Su-57 most lethal, just like the Su-30MKI.
 
With delays in GE F404 and a deadlock on GE F414, we should see them delayed further. We have to back up our own engine programs along with procuring some non-US engines for Tejas Mk2 and AMCA. Importing 4th-gen Rafales won't be futuristic. Better to have a few squadrons of Su-57.
 
Give MRFA contract to SU-57 or induct SU-57 directly with scrapping MRFA with TOT. But add indigenous Virupaksha AESA Radar and equip this with Israeli jammers or avionics. Also need to fit these SU-57 with izdelize 30 engine.
 
The Su-57 is a very good option. Algeria already bought it. Bangladesh is getting J-10s for a new airbase in North Bangladesh close to Chicken Neck for a possible Chinese military operation in 2026. Indian Rafales will be stretched at both ends. Either the Su-57 or F-35, the IAF needs to decide fast. Decision-making is key.
 

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