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Commentary: Embarrassing South China Sea collision has done more than physical damage

After a Chinese navy destroyer and coast guard vessel collided during an attempt to disrupt a Philippine resupply mission, both sides will likely dig their heels in and heat things up, says S Rajaratnam School of International Studies’ Collin Koh.

Commentary: Embarrassing South China Sea collision has done more than physical damage

In this photo grab from video provided by the Philippine Coast Guard, a Chinese Navy vessel, left, accidentally collides with a Chinese Coast Guard ship, right, while chasing a Philippine fisheries boat, foreground, near Scarborough Shoal in the disputed South China Sea on Monday, Aug 11, 2025. (Philippine Coast Guard via AP)

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SINGAPORE: A seemingly standard, rather simple operation to foil a Philippine resupply run in the South China Sea on Aug 11 didn’t work out the way China would have expected.

The Philippine Coast Guard went about its routine Kadiwa mission to bring supplies to Filipino fisherfolk operating around the contested Scarborough Shoal, as a way of asserting the country’s sovereign rights in its exclusive economic zone. Beijing has exercised de facto control of the atoll since the standoff with Manila in April 2012, despite a 2016 ruling by an international arbitral tribunal in the Philippines’ favour.

But in a possible pincer move to expel the PCG vessel Suluan, the China Coast Guard cutter CCG3104 crashed headlong into the Chinese Type-052DL destroyer Guilin.

The navy destroyer was likely expected to adopt a blocking position right ahead of the Filipino ship to compel it to swerve, but might have been outmanoeuvred by the Suluan. Instead, the 7,500-tonne Guilin cut right behind the Suluan, while CCG3104 was still in hot pursuit.

The Chinese coast guard vessel’s bow appeared to be completely crushed by the impact, based on footage released by the Philippines. Whether there were casualties is still unknown, though maritime security expert Ray Powell posted on X that Chinese forces were conducting search-and-rescue operations at the site of the incident the day after, implying that there could have been Chinese personnel thrown overboard during the collision.

That notwithstanding, the Chinese coastguard statement and Ministry of Foreign Affairs’ regular press briefing on Aug 11 made no mention about the catastrophic collision. Direct comments came only four days later on Aug 15, criticising the Philippine vessels for “dangerous manoeuvring” but stopped short of confirming if any collision occurred.

BATTLE OF NARRATIVES

Beijing’s narrative has banged on the same old tiresome boilerplate: The Chinese forces conducted their operations to drive illegal vessels away in a “professional, standard, and lawful manner”.

If anything, this narrative was demolished by Manila’s timely public release of information about the collision, along with the video footage, even before the first statements transpired from Beijing.

This was part and parcel of the Philippines’ assertive transparency strategy adopted since February 2023, aimed at calling out Chinese coercive behaviour in the West Philippine Sea – what it calls the portion of the South China Sea it claims.

This strategy also allowed the Philippines to demonstrate the Suluan crew’s astute seamanship and even humanitarian spirit by offering help to their distressed Chinese counterparts, especially when contrasted with the fratricidal collision that appears to reflect poor seamanship.

And to top it off, Manila was able to show the world that Chinese forces’ dangerous and unprofessional actions at sea pose not only a danger to Filipinos but also to themselves. 

Considering all these, Aug 11 marks a watershed for Manila’s efforts to assert its sovereign rights in the spirit of the 2016 South China Sea arbitral award. Though most resupply missions have been successful in the past, this Kadiwa mission’s success was significant given the more active role of the Chinese navy compared to the usual disruptions by the coast guard.

EXPECT WATERS TO HEAT UP

After this unprecedented and hugely embarrassing collision, Beijing is likely to try to reverse the loss of “face”.

China’s other South China Sea rival claimants might see the collision as reflecting tactical and operational weaknesses that could then be exploited for their advantage.

Rolling back what it is doing to the Philippines just because of this one collision would send the wrong signal to both domestic and international audiences about Beijing’s resolve to assert its claims in the disputed waters.

Therefore, while there is every reason to be jubilant about its accomplishment, Manila needs to be vigilant toward the potential of Beijing ramping up its aggressive posture in the West Philippine Sea. At the very least, the Philippines could expect Chinese forces to more forcefully interdict the Kadiwa runs,  though possibly more prudently to avoid another collision.

The “wild card” scenario is for Beijing to impress upon Manila its full ability to escalate and dominate by simultaneously stepping up its maritime presence across the entire portion it disputes.

In this photo, taken from video and provided by the Philippine Coast Guard, a damaged Chinese Coast Guard ship is seen after accidentally colliding with a Chinese Navy vessel while chasing a Philippine fisheries boat near Scarborough Shoal in the disputed South China Sea on Monday Aug 11, 2025. (Philippine Coast Guard via AP)

It won’t be simply just the Chinese digging their heels deeper; the Filipinos would be expected to keep up with what they are doing to assert the country’s sovereign rights.

According to a Pulse Asia survey in June, the Philippine public favours both diplomatic and military means (short of resorting to war) to press the country’s interests against Beijing’s invalidated claim. All these mean the waters could potentially turn hotter, even if both sides would still seek to avoid the unthinkable.

AN URGENT SOLUTION NEEDED TO AVOID MISHAPS

One should expect similar collisions to recur, amid the long-standing fear that more skirmishes at sea mean a higher risk of inadvertent use of kinetic force.

There is no guarantee an overzealous commander or operator on the ships could make a misjudgment or miscalculation. For now, the only common mechanism to avoid certain untoward mishaps would be the 1972 Convention on the International Regulations for Preventing Collisions at Sea (COLREGs).

But this is nothing more than just an operational solution. A strategic, political solution is urgently required.

For long, the 10 Association of Southeast Asian Nations (ASEAN) member states and China have variously emphasised “practical security cooperation” such as joint fisheries management and environmental protection, paying less attention to the confidence- and security-building mechanisms that truly matter in governing the behaviour of rival forces in the disputed waters.

Yet there is no guarantee the Code of Conduct would transpire anytime soon, despite the promising rhetoric. And even a Code that eventually materialises may not fully address the issue.

What is left, as a long-term approach, is for each of the concerned parties in the South China Sea, whether resident littoral states or extra-regional actors, to ensure and enforce the professionalism of their uniformed personnel who typically operate in harm’s way.

This could well constitute the most robust firebreak between peace and conflict, even if diplomacy breaks down, and even amid a persistent deficit in trust.

Collin Koh is Senior Fellow at the Institute of Defence and Strategic Studies, S Rajaratnam School of International Studies, Nanyang Technological University, Singapore. He primarily researches on maritime security and naval affairs in Southeast Asia, including the South China Sea.
Source: CNA/ch
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