China’s 155mm naval gun seen on test vessel, signalling boost to amphibious landing power
South China Morning Post
by Liu ZhenFebruary 23, 2026
AI-Generated Deep Dive Summary
China is reportedly testing a new 155mm naval gun, marking a significant enhancement in the People’s Liberation Army Navy’s (PLA Navy) land-attack capabilities. The weapon, which would be the largest in the PLA Navy’s arsenal, has been spotted on a test vessel at the Liaonan shipyard in Dalian, Liaoning province. This development signals a potential boost to China’s amphibious landing operations, particularly in scenarios involving Taiwan.
The emergence of photos showing the massive gun mounted on the bow of the test vessel has generated attention on Chinese social media. The 155mm naval gun is capable of delivering long-range fire support, making it a critical asset for amphibious operations where ground forces need robust artillery support. Its deployment could significantly enhance China’s ability to project power ashore, particularly in contested regions like Taiwan.
While the exact specifications and capabilities of the weapon remain unclear, its size and design suggest it is intended for both offensive and defensive roles. The gun’s potential use in an amphibious assault against Taiwan underscores the growing tensions between Beijing and Taipei. As China continues to modernize its military, such advancements highlight its commitment to strengthening its naval capabilities, particularly in contested maritime regions.
The testing of this advanced naval gun also reflects broader trends in Chinese military development. With increasing focus on expeditionary operations and power projection, the PLA Navy is likely aiming to establish a stronger foothold in regional conflicts. The integration of such heavy artillery could provide a decisive edge in scenarios requiring rapid deployment of firepower, further solidifying China’s position as a maritime power.
In a broader context, this development underscores the evolving dynamics of military technology and strategy in Asia. As Beijing continues to invest in advanced naval systems, it signals not only an enhancement of its defensive capabilities but also a potential shift in its strategic approach to regional security. The implications for global stability and U.S.-
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Originally published on South China Morning Post on 2/23/2026