Radio War in the Persian Gulf; Account of Iran's Naval Blockade Messages
New reports detail the complex and dangerous situation for commercial shipping crews caught between U.S. and Iranian naval warnings in the Persian Gulf. The conflict has also resulted in significant U.S. aircraft losses.
Intelligence analysis by Gemini 2.5 Flash Lite

Commercial vessels are navigating a perilous "radio war" in the Persian Gulf, receiving conflicting orders from U.S. and Iranian forces. This, alongside substantial U.S. military aircraft losses, highlights the escalating tensions and the human cost of the maritime blockade.
Imagine two people shouting different directions at a boat in a busy harbor. The boat's crew only understands one language well, making it hard to know who to listen to. This confusion can lead to dangerous accidents, and in this case, it's happening at sea with real consequences for sailors and ships.
Analysis
The Perilous Waters of Conflicting Orders
The maritime blockade of Iran, while not solely reliant on U.S. sanctions, has proven effective in curbing the nation's oil revenue. However, this effectiveness comes at a steep price for international commercial shipping. The Wall Street Journal's exclusive report, bolstered by leaked radio communications and audio files, paints a stark picture of confusion and danger for sailors from India, China, the Philippines, and other nations. These crews find themselves inadvertently caught in the crossfire, often struggling to comprehend the rapid-fire English warnings from the U.S. Navy, leading to potentially fatal misunderstandings.
The article highlights specific instances, such as the plea from the captain of the Iranian tanker 'Hak' to the U.S. Navy, stating its engine had failed and requesting not to be targeted. More dramatically, it recounts the exchange between the USS Abraham Lincoln and the Iranian tanker 'Hasna'. Radio transcripts reveal the Lincoln issuing stern warnings to 'Hasna' to evacuate its aft section before opening fire with 20mm cannons, disabling the vessel. Post-attack communications show the 'Hasna' crew assessing damage and casualties near the Omani coast, underscoring the immediate and violent consequences of these naval encounters.
This "radio war" is characterized by a dangerous duality: U.S. naval forces issue warnings, while Iran's Islamic Revolutionary Guard Corps (IRGC) simultaneously broadcasts messages advising ships to disregard American directives. This creates a chaotic environment where vessels receive contradictory instructions, leaving captains in an impossible position. The case of the Chinese bulk carrier 'Liao Fan' exemplifies this dilemma. Its captain, struggling with English, informed the U.S. Navy that he had left Iranian waters and was docked in Fujairah, UAE, but was awaiting clearance from Iran to proceed. He requested more time from the Americans to resolve this issue. Fellow Chinese sailors on nearby vessels reportedly urged him to comply with U.S. orders, citing the grave danger posed by the situation.
Key points
- Commercial shipping crews are caught between conflicting U.S. and Iranian naval warnings in the Persian Gulf.
- Radio communications reveal confusion and danger for international sailors due to language barriers and contradictory orders.
- The U.S. Navy has reported significant losses, with at least 81 aircraft damaged or destroyed, costing over $3 billion.
- Drone losses, particularly of Reaper and Predator models, constitute a major portion of the U.S. military's aircraft damage.
- Iran's IRGC is reportedly advising ships to ignore U.S. warnings, exacerbating the perilous situation for maritime traffic.
The detailed reporting of these incidents could pressure all parties to establish clearer communication protocols and de-escalation mechanisms, potentially reducing the risk to civilian crews and preventing accidental escalations. Increased international awareness might also foster diplomatic efforts to ease maritime tensions in the region.
The ongoing "radio war" and conflicting directives suggest a high potential for miscalculation and accidental engagement, further destabilizing the region and increasing the risk of direct conflict. The significant losses of advanced U.S. military hardware also indicate a potent defensive capability, potentially prolonging or intensifying any future confrontations.



