Iran leveraging the Strait of Hormuz has roots in history. Here’s what its planning for the future
360° Perspective Analysis
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Context
Iran has effectively blockaded the following escalating conflicts with the US and Israel, charging a $2 million transit fee to ships from 'non-friendly' nations. By exploiting its non-ratification of the , Tehran is asserting sovereignty over the narrow shipping lanes to mandate tolls and cryptocurrency payments. This militarization of a critical global energy chokepoint severely threatens international trade and macroeconomic stability.
UPSC Perspectives
International Relations Lens
The core of this geopolitical crisis lies in the interpretation of international maritime law and Iran's strategic use of asymmetric warfare. Under the (UNCLOS), vessels enjoy the right of transit passage, which guarantees unimpeded entry through international straits regardless of the coastal state's domestic laws. However, because Iran signed but never ratified UNCLOS, it relies on the older 1958 Geneva Convention framework to claim the waters fall squarely under its territorial sea. This allows Tehran to assert the right of innocent passage, a legal provision that permits a coastal state to unilaterally suspend transit if it deems a vessel a national security threat. To enforce this, Iran utilizes the to deploy sea mines, fast attack crafts, and anti-ship missiles along the coastline. From a UPSC perspective, aspirants must understand how domestic non-ratification of international treaties can be weaponized to create legal loopholes in global commons. The selective targeting of Western-aligned shipping also highlights the increasing fragmentation of global maritime security architectures.
Economic Lens
The weaponization of this maritime chokepoint poses a severe threat to global macroeconomic stability and energy security. According to the , the facilitates the passage of roughly 20 million barrels of oil daily, representing nearly 20% of the world's total supply, alongside one-third of global Liquefied Natural Gas (LNG) circulation. When a supply-side shock of this magnitude occurs, it triggers immediate inflationary pressures worldwide due to surging energy and freight prices. Furthermore, Iran's imposition of a $2 million transit fee and its unprecedented demand for cryptocurrency payments represent a strategic attempt to bypass Western financial blockades and economic sanctions. For an import-dependent economy like India, disruptions here directly worsen the Current Account Deficit (the shortfall between the money flowing in on exports and the money flowing out on imports) and domestic inflation. UPSC questions often test the direct correlation between geopolitical disruptions in global energy transit hubs and their cascading effects on the Indian economy's fiscal health.
Geographical Lens
The vulnerability of the is fundamentally dictated by its unique physical geography and strategic location. Serving as the sole maritime conduit connecting the to the Gulf of Oman and the open Arabian Sea, it has functioned as a critical global trade route for millennia. The strait is structurally constrained; while it spans 167 km in length, it narrows to just 33 km between the landmasses of Iran and Oman. Crucially, the deep-water draft requirements for massive commercial oil tankers limit the actual navigable shipping lanes to a mere three kilometers wide in each direction, separated by a three-kilometer buffer zone. Because these highly constrained lanes fall within the 12-nautical-mile baseline limit, both Iran and Oman claim them as part of their sovereign coastal waters. The strategic acquisition of nearby islands further amplifies Tehran's geographic dominance over these vital shipping lanes. Aspirants should accurately map out these Middle Eastern chokepoints, as UPSC Prelims frequently test the geographical positioning of major straits, gulfs, and their bordering nations.