Satellite images capture what China has been doing in recent days: “Military perspective”

Since December 25, 2025, and repeated several times in January and March 2026, between 1,000 and 2,000 Chinese fishing vessels have been detected forming perfectly aligned geometric structures, in some cases stretching from roughly 250 to almost 300 miles in length, in the East China Sea, about 186 miles from Taiwan.

On December 25, nearly 2,000 vessels formed two large, parallel inverted L-shapes. On January 11, up to 1,400 vessels created an irregular rectangle, or barrier, spanning 124 to almost 200 miles, forcing multiple cargo ships to alter their routes. More recently, during the first week of March, 1,200 vessels were documented forming two parallel lines, holding a static formation for 30 hours.

According to analysts, the vessels were spaced about a third of a mile apart and maintained their positions for 24 to 30 hours, even in near-hurricane-force winds, which rules out normal fishing activity. These patterns were confirmed through AIS (Automatic Identification System) analysis, satellite imagery, and data from firms such as ingeniSPACE and Starboard Maritime Intelligence.

Experts from CSIS, independent maritime analysts, and AFP agree that the scale and discipline of these formations are consistent only with a state-organized exercise by China. Much of this fleet is considered by analysts to be part of the Chinese Maritime Militia (PAFMM), nominally “civilian” vessels under indirect control of the People’s Liberation Army, used to exert pressure without crossing the threshold of formal military engagement.

Several reports link these movements to a potential maritime blockade of Taiwan. They may also represent a response to Japan’s arrest of a Chinese fishing vessel, or preparation for a possible crisis in 2027, a date cited by U.S. intelligence analysts.

So far, the primary impact has been on Japanese commercial shipping routes, which have already been disrupted, forcing several merchant vessels to reroute around the formations. These maneuvers are widely interpreted as a blockade rehearsal, a simulation of pre-invasion operations, and even a test of the People’s Liberation Army’s logistical capabilities using civilian vessels.

What is clear is that there is increasing militarization in the Taiwan Strait and a rising risk of miscalculation in waters also used by Japan, South Korea, the Philippines, Vietnam, and Taiwan.

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