Key takeaways from Iran war The past six weeks suggest modern warfare is changing

A recent analysis of the month-and-a-half-long Iran conflict argues that the fighting has exposed key limits of conventional military power and underscored how geography, scale and state resilience are reshaping modern warfare.

In an opinion piece published on Saturday (April 12) on Al Jazeera, Abdulla Banndar Al-Etaibi said the experience of the conflict involving Iran and the United States highlights how large, geographically complex states are increasingly difficult to subdue through traditional military campaigns.

The article comes as Washington and Tehran held their first direct talks in more than a decade. The negotiations ended without agreement, with both sides still far apart on core issues, leaving the trajectory of the confrontation uncertain.

A central argument of the analysis is that Iran’s sheer size and terrain significantly complicate any sustained military operation. With a vast landmass, large population and highly varied geography — from the Zagros and Alborz mountain ranges to extensive desert plateaus and long maritime coastlines — Iran presents what the author describes as an unusually difficult battlespace.

The piece contrasts Iran with previous US-led or major conflicts, noting that operations in Iraq in 2003 benefited from relatively open terrain and shorter supply lines, while Afghanistan’s mountainous geography constrained large-scale manoeuvre. Iran, it argues, combines elements of both challenges at a far greater scale.

The analysis also stresses that modern military logistics scale non-linearly: larger territories require disproportionate increases in manpower, intelligence coverage and sustainment capacity, complicating efforts to achieve rapid breakthroughs.

Another key point concerns internal cohesion. Despite Iran’s ethnic diversity, the article argues that external pressure tends to reinforce national unity rather than fragment it. It draws parallels with the war in Ukraine, where external invasion strengthened national identity rather than undermining state cohesion.

The report also highlights Iran’s layered military structure, including its conventional armed forces and the Islamic Revolutionary Guard Corps (IRGC), estimating total personnel at more than 800,000. This structure, it says, is designed for dispersal, survivability and prolonged asymmetric resistance.

Unlike Iraq in 2003, which had been weakened by sanctions and prior conflict, Iran is portrayed as maintaining a functioning state apparatus, integrated command structures and extensive missile and drone capabilities.

On battlefield dynamics, the analysis argues that conventional air superiority does not necessarily translate into decisive outcomes when facing a state capable of dispersing missile systems, production facilities and command infrastructure across hardened or mountainous terrain.

Iran’s reliance on ballistic missiles and drones is presented as central to this strategy. These relatively low-cost systems, the author writes, can sustain long-term pressure on more expensive and sophisticated air defence networks, creating a structural imbalance in which high-value platforms are used to intercept cheaper, more numerous threats.

The article concludes that Iran does not resemble previous US adversaries such as Iraq in 2003 or Afghanistan in 2001, nor does it fully mirror Ukraine in 2022. Instead, it is described as a hybrid case combining scale, geographic depth and institutional resilience.

This combination, the author argues, reduces the likelihood of rapid, decisive military victories and increases the probability of prolonged, costly and inconclusive engagements. As a result, future conflict scenarios are more likely to involve limited strikes, calibrated escalation and strategic signalling rather than full-scale war.

For policymakers in Washington and other capitals, the implication is that military superiority alone may be insufficient to determine outcomes quickly in complex, territorially large states. Instead, endurance, adaptability and sustained operational capacity are becoming more decisive factors in modern conflict.