OPERATION SINDOOR – Continues to Garner International appreciation

By R Anil Kumar

Warfare expert, John Spencer, dissected India’s approach, highlighting how the operation successfully redefined red lines, showcased military credibility and asserted sovereign strategic independence, Spencer lauds India’s response to Pakistan

United States. Operation Sindoor, India’s high-precision military response to the Pahalgam terror attack, has drawn international appreciation, not just for its scale but also for its strategic restraint. Among the most closely watched assessments comes from John Spencer, Chair of Urban Warfare Studies at the Modern War Institute, who called the operation a “new doctrine for India.”

In a detailed analysis shared on X, he dissected India’s approach, highlighting how the operation successfully redefined red lines, showcased military credibility, and asserted sovereign strategic independence.

India has shown that effective penetration is possible through a mix of electronic warfare, kinetic strikes, and doctrinal agility, in the confrontation with Pakistan said John W Spencer, a retired United States Army officer, researcher of urban warfare, and author.

John W Spencer, has lauded India’s air defence while commenting on this month’s military confrontation with Pakistan.

Spencer serves as the chair of urban warfare studies at the Modern War Institute.

“In recent weeks, India has demonstrated the evolving nature of modern air defence — not only in defending its own airspace with a robust, layered architecture, but also in successfully penetrating the Chinese-made systems fielded by its adversary, Pakistan. It’s a reminder that defence is not about what you buy — it’s about what you integrate,” he has written in a Substack post.

During his military career, Spencer was an infantry platoon leader and company commander, including two combat tours during the Iraq War. In Iraq, he served during the initial invasion in 2003 and later in 2008 during the Iraq War troop surge and the Battle of Sadr City.

He was also assigned to Ranger School, Joint Chiefs of Staff, etc. Later, he became a fellow with the chief of staff of the Strategic Studies Group, until he moved to Modern War Institute (MWI).

“India’s air defence network today features a mix of indigenously produced platforms like the Akash and QRSAM, paired with Israeli Barak-8 systems and the Russian-made S-400. These layers — long, medium, and short-range — are designed to function together in a seamless, multi-tiered web of protection,” he wrote. “Across the border, Pakistan fields primarily Chinese-built systems like the HQ-9/P (a long-range SAM akin to the S-300), LY-80, and FM-90. These systems are capable on paper, but as India has shown, effective penetration is possible through a mix of electronic warfare, kinetic strikes, and doctrinal agility.”

“India’s air defence network today features a mix of indigenously produced platforms like the Akash and QRSAM, paired with Israeli Barak-8 systems and the Russian-made S-400.

These layers—long, medium, and short-range—are designed to function together in a seamless, multi-tiered web of protection,” he wrote.

“Across the border, Pakistan fields primarily Chinese-built systems like the HQ-9/P (a long-range SAM akin to the S-300), LY-80, and FM-90. These systems are capable on paper, but as India has shown, effective penetration is possible through a mix of electronic warfare, kinetic strikes, and doctrinal agility.”

A Warfare expert, John Spencer, dissected India’s approach, highlighting how the operation successfully redefined red lines, showcased military credibility and

India proved its combat readiness and tech edge in Operation Sindoor, he says.

These are the top things Spencer noted:

• A new red line drawn: “Terror attacks launched from Pakistani territory will now be treated as acts of war. That threshold has been redefined — and enforced,” Spencer wrote, adding that India’s response established a clear deterrence framework going forward.
• He also mentioned how India showcased both its offensive and defensive capabilities, especially its indigenous platforms under real-time combat conditions. “India showcased its offensive and defensive capabilities, particularly the performance of indigenous platforms under live combat conditions,” he said.
• Emphasising the balance struck between force and restraint, Spencer remarked, “Pakistan escalated with drone swarms and cross-border fire. India struck back harder, but stopped short of general war. That is textbook deterrence: calibrated, controlled, and credible.”

Spencer underlined that India managed the crisis on its own terms without international mediation or support, “India managed the crisis entirely through its own military and diplomatic mechanisms. It neither asked for nor relied on outside assistance. This is a sovereign doctrine—enforced on sovereign terms.”

Taking aim at critics calling for deeper incursions or regime change in Pakistan, Spencer cautioned against impulsive escalation. “Critics who believe India should have conducted a more massive military operation—calling for deep strikes, occupation of territory, or regime change, misunderstand what sound strategy demands.”

Perhaps his most powerful statement came in defence of India’s strategic restraint, “This is not unlimited war. It is limited war, conducted for limited but vital aims: to re-establish deterrence, impose costs on Pakistan’s terror infrastructure, and redefine the rules of engagement between the two nuclear-armed nations.”

“Restraint in this context is not weakness—it is discipline in pursuit of strategic clarity.”