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15 December 2020

China Leadership Monitor


During the past eight months of the global COVID pandemic, the Chinese People’s Liberation Army (PLA) has been active in promoting China’s claims in the South China Sea. This essay evaluates PLA statements, military exercises and operations, and deployment of relevant platforms and weapons in the South China Sea during this period. I leverage Chinese-language sources in addition to my own operational knowledge from over a decade of military experience to provide greater context for these activities. I argue that the greatest change in the PLA’s role in the South China Sea has not been operational. Instead, the most interesting development has been the fact that the PLA has taken on a more significant signaling role. Specifically, the Chinese military seems to be purposefully using, and perhaps even exaggerating, its capabilities and activities to enhance deterrence against the United States. This may be seen as necessary as the US increases its own efforts to push back on China’s militarization of the South China Sea. In other words, the PLA has taken a more active role in China’s South China Sea strategy, but not necessarily a more aggressive one.

In March 2020, the majority of the world went into lockdown, restricting internal movements to varying degrees to prevent the spread of the novel coronavirus.[1] Largely due to a failed government response, the United States has had the most disastrous experience with the pandemic, leading the world in total COVID cases and deaths to date.[2] Consequently, there has been a surge of concern about US military readiness.[3] The ability to fight if necessary and meet the demands of assigned missions is the foundation of US deterrence around the world. Thus, this concern about readiness has naturally evolved into a debate about the degree to which countries such as China are taking advantage of the global pandemic to make military gains.[4]

This essay contributes to this debate by analyzing the evolving role of the People’s Liberation Army (PLA) in the South China Sea during the past eight months. Specifically, I evaluate PLA statements, military exercises and operations, and deployment of relevant platforms and weapons in the South China Sea and provide my impressions of continuity and change in the PLA’s role. I leverage Chinese-language sources in addition to my own operational knowledge from over a decade of military experience to provide greater context for these activities.

I argue that the greatest change in the PLA’s role in the South China Sea has not been operational. Analysts expect incremental increases in Chinese military exercises and capabilities in the South China Sea as China’s military modernizes. Instead, the most interesting development has been the fact that the PLA has taken on a more significant signaling role. Specifically, the Chinese military seems to be purposefully using, and perhaps even exaggerating, its capabilities and activities to enhance deterrence against the United States. This may be seen as necessary as the US increases its own efforts to push back on China’s militarization of the South China Sea. In other words, the PLA has taken a more active role in China’s South China Sea strategy, but not necessarily a more aggressive one.

In this discussion, I may use the word “respond” in the colloquial fashion to describe how one action comes after another. I do not mean to imply that US military operations are causing the PLA to play a more active role in promoting China’s territorial position. Certain activities, such as shadowing US vessels, by their nature occur in response to what the US does. China may choose the timing and messaging of military exercises or weapons tests to enhance its signaling value, but these activities must occur regardless of readiness purposes.

China also has an incentive to argue that its military activities are in response to the US for political cover, even if the military planned to execute a certain mission or deploy a certain capability regardless.[5] But the two countries are engaged in strategic competition in the South China Sea, meaning that both sides are trying to shape the behavior of the other. To provide some context for the following analysis of the PLA’s role, I begin with an overview of US activities in the South China Sea since March 2020.

US South China Sea Activities

The Chinese government has faced unprecedented levels of US pressure against its expansion in the South China Sea during the past eight months.[6] This summer, US Secretary of State Michael Pompeo declared that “Beijing’s claims to offshore resources across most of the South China Sea are completely unlawful.”[7] The United States then penalized 24 Chinese companies involved in South China Sea island-building by removing their access to the American market.[8] Aside from economic sanctions, one of the main ways in which the United States military signals its rejection of China’s overly expansionist maritime claims is freedom of navigation operations (FONOPs), operations in which the US Navy sails through areas over which China has illegally declared sovereignty.

Under the Donald J. Trump administration, the United States has increased the frequency of these FONOPs. In 2018 and 2019 alone, at least a dozen times US Navy vessels sailed within 12 nautical miles of islands and reefs claimed or occupied by China. The United States conducted as many FONOPs in the first half of 2020 as the Barack Obama administration did during almost two years.[9] There were also several prominent non-FONOP operations, including the July 2019 flight of two US Air Force B-1B strategic bombers in the South China Sea on a mission in concert with the USS Ronald Reagan.[10] According to a Beijing-based think tank, 60 US reconnaissance aircraft flew close to China in September 2019, 41 of which were over the South China Sea.[11] More broadly, the United States held at least 85 joint military exercises in the Asia Pacific in 2019.[12]

These activities occurred against the backdrop of an overall increase in tensions. In July, China ordered the closure of the US consulate in Chengdu following the US closing of China’s Houston, Texas, consulate due to intellectual property violations.[13] China and the United States also clashed at the United Nations General Assembly in September when President Xi Jinping accused President Trump of lying regarding his claims about China’s role in spreading the coronavirus.[14]

Chinese Military Activities in the South China Sea

Throughout 2020 the PLA has also been more actively operating and exercising in the South China Sea The uptick in operational tempo is somewhat expected as China’s military capabilities increase and expand, with the PLA acquiring systems that can operate adeptly at longer ranges. Additionally, in 2016 China gained the ability to forward deploy systems by constructing 3,200 acres of artificial islands and accompanying military facilities (including 3,000 meters of runways, naval berths, hangars, reinforced ammunition bunkers, missile silos, and radar sites).[15]

During the past eight months, the Chinese military has clearly continued to increase its presence in the South China Sea. Several major movements and exercises have garnered international attention.[16] Some of the most important include the following:

Mid-March 2020. Two Chinese military aircraft conducted an anti-submarine drill over the South China Sea.[17]

April 6–11. A Chinese marine survey vessel, the Haiyang Dizhi 8, backed by China's navy and coast guard, disrupted a Malaysian oil exploration project within Malaysia’s exclusive economic zone.[18]

May 6. The PLA Navy (PLAN) conducted a convoy exercise in the South China Sea while on route to an anti-piracy exercise in the Gulf of Aden. The navy group included Type 52D destroyer Taiyuan and Type 54A frigate Jinzhou, both of which belong to the third detachment of the PLA Eastern Theater Command. The exercise included rescue missions and anti-piracy tasks.[19]

May 14. China deployed early warning aircraft and anti-submarine aircraft on Fiery Cross Reef.[20]

June 18. In mid-June, a destroyer detachment of the PLA Southern Theater Command Navy conducted an exercise to improve the PLA’s antiaircraft, antimissile, and anti-submarine capabilities. According to the PLA Daily, the exercise involved Type 52D destroyer Hohhot and Type 54A frigate Hengyang, both of which belong to the second detachment of the PLA Southern Theater Command.[21]

June 27. A PLAN warship, Type 071 (also called the “Yuzhao class”), docked in the harbor at Woody Island. The Type 071 is a landing platform dock capable of carrying helicopters, troop battalions, and cargo such as amphibious vehicles. It is believed that the warship was docked in preparation for the July 1–5 exercises.[22]

July 1–5. China conducted five days of military exercises in the Paracel Islands, during which time China's Maritime Safety Administration prohibited passage throughout the entire Paracel Islands region.[23] The exercises used Woody Island as a base, and experts believe an island seizure or island security exercises were performed. Before the exercise, a Type 071 landing helicopter dock and three smaller ships were seen in the harbor of Woody Island.[24]

July 11–13. Chinese frigates Meizhou (Hull 584), Liu Panshui (Hull 514), and Qujing (Hull 508) attached to a frigate flotilla under the PLA Southern Theater Command for a maritime realistic training exercise that included firing guns against sea targets.[25]

July 17. China moved at least eight fighter aircraft (believed to be J-11Bs and JH-7s) to Woody Island, China’s largest military base on the Paracel Islands. [26]

July 30. According to the Chinese Ministry of National Defense, the PLA conducted drills featuring new aircraft (Xian H-6J and Xian H-6G).[27] The training included night takeoffs and landings, long-distance operations, and firings on maritime targets.[28]

August 4. Su-30 fighter jets completed a 10-hour armed patrol mission to the most remote islands and reefs of the South China Sea (Subi Reef in the Spratly Islands), breaking the previous PLA record in terms of flight duration in a single sortie by a fighter jet.[29]

August 6. The Chinese PLA Rocket Force supposedly launched a DF-26 anti-ship ballistic missile as part of a larger exercise.[30]

August 12. The PLAN’s newly revealed bomber, the H-6J, deployed to Woody Island for the first time.[31]

August 16. The PLAN conducted a successful test of a torpedo, launching from a Jiangdao corvette, according to CCTV.[32]

August 24–29. During overlapping time periods, China held three separate drills, two of which were located near the Yellow Sea and one of which—an exercise near the disputed Paracel Islands—was located in the South China Sea.[33]

August 26. China launched several ballistic missiles, including DF-26B and DF-21D missiles, which are termed “carrier killer” weapons, into the South China Sea as part of integrated military exercises and a simulated attack on US ships. The missiles landed between Hainan and the Paracel Islands. [32]

September 28. China held five simultaneous naval exercises, two of which were live-fire and were held near the Paracel Islands.[35]

PLAN warships, China Coast Guard (CCG) vessels, and Chinese-flagged survey ships are also frequent visitors to the man-made islands, so much so that these movements are somewhat routinized and not often reported on unless these platforms come into contact with platforms of another country.[36] Moreover, besides a gap in May and about a three-week period in July–August, since early April CCG ships have been consistently deployed to Scarborough Shoal, which is claimed by both China and the Philippines.[37]

The CCG has also been known to use force to deter other claimants from fishing or navigating in disputed waters, such as the April 3 sinking[38] and the July 8 ramming of Vietnamese fishing vessels near the Paracel Islands.[39] There have also been a number of advancements in the broader PLAN that will affect the balance of power in the South China Sea, such as the advent of China’s new Renhai-class cruisers; the largest surface combatant in the world; the first Renhai-class cruiser was commissioned in January 2020.[40] The Chinese aircraft carriers Liaoning and Shandong conducted regular training and sea trials during the summer and most recently in September.[41] While the Shandong entered into service this past December, it is not yet combat- ready; the Liaoning took six years to achieve initial operational capacity after it was commissioned in 2012.[42]

In the above section, I have compiled a comprehensive picture of Chinese military activities in the South China Sea that includes both deployments of systems to the Paracels and Spratlys and military exercises in the area. I now turn to an analysis of what these two types of military activities reveal about the PLA’s role in China’s South China Sea strategy.

What Do the Deployments of Weapons Systems Tell Us About the PLA’s Role?

PLA deployments to the South China Sea suggest the PLA is trying to discourage the United States from countering its attempts to increase control over the South China Sea.

First, China has deployed to the South China Sea the types of systems the PLA would need to exert control over the area.[43] Control requires both comprehensive awareness of the environment and the capabilities to compel and coerce states to follow the PLA’s rules. To achieve this, China first needs systems that monitor activity on, and under the sea and in the air in, the disputed areas, such as forward-deployed surveillance aircraft.

Once China establishes awareness of others’ activities in the South China Sea, it will need certain capabilities to enforce its sovereignty claims. This includes multirole fighters that can be used to intercept and escort other countries’ aircrafts; these fighters can be deployed to the South China Sea islands or they can operate off an aircraft carrier in the area. These are precisely the types of capabilities that are periodically deployed to the islands.[44] One capability the PLA would need if it were to control the South China Sea that we have not seen is command and control (C2) aircraft. In particular, the Southern Theater Command is far away from the Spratly Islands, and greater connectivity in the form of C2 is a step we should expect to see as the transition to the theater commands is completed.

Second, the PLA seems to want to enhance its deterrence without provoking the United States. The PLA has not moved to a clearly offensive posture in the South China Sea; fighter aircraft, for example, have never landed on any of the Spratly Islands, and anti-ship ballistic missiles have never been deployed to the man-made islands.[45] This may be for political reasons—the desire to prevent further escalation and maintain the narrative that the PLA’s posture there is purely defensive.

But there are also operational reasons. China may not keep fighter aircraft permanently present on the islands because of the high maintenance requirements; the ocean environment with its humidity and heavy amounts of salt threatens to corrode equipment.[46] For anti-ship ballistic missiles, moving them farther south than Hainan is not necessary from a range standpoint and would open China up to potentially losing those strategic assets early in a conflict (they would be easier to find and strike).

Third, as I discuss in greater detail in the next section, China has been linking its deployments to US activities for signaling purposes. The PLA is trying to communicate to the United States that it can respond quickly to any US activity seen as a threat to its interests. With new basing on the South China Sea islands and longer-range and more capable aircraft, China now has the option to move these platforms as a way to demonstrate to the United States its capability and resolve.

What Do the Exercises Tell Us About the PLA’s Role?

During the past five months in particular, China has conducted more robust military exercises to prepare for South China Sea contingencies. This is a reflection of Xi Jinping’s call for the Chinese military to engage in more realistic exercises “to prepare for a comprehensive military struggle.”[47]

Indeed, only a few weeks ago during a visit to a military base,[48] President Xi told Chinese troops to “put all [your] minds and energy on preparing for war.” China is also undergoing massive military reforms to include transitioning from military regions to a theater construct; exercises are essential for testing and perfecting new C2 arrangements.[49] The increased operational tempo during the summer is not unusual given that this is the PLA’s standard exercise period.

But military readiness and preparedness are not the only reasons the PLA conducts exercises. During the past few months, the PLA role has evolved beyond the operational to become a leader in a signaling strategy to enhance Chinese deterrence vis-à-vis the United States. I come to this conclusion based on the timing, nature, and discourse around these activities.

First, many of these exercises were conducted immediately after a US military action. The March anti-submarine drills occurred shortly after the USS Roosevelt’s movements in the region.[50] The South China Sea exercise of the Hong Kong garrison followed the deployment of a US carrier strike group to the area to conduct maritime air-defense operations.[51] In July, the PLA conducted military exercises in three seas (the South China, East China, and Yellow Seas) as the USS Ronald Reagan and USS Nimitz conducted tactical air-defense exercises in the South China Sea.[52] The July movement of fighter aircraft to Woody Island came only days after both a US FONOP in the region and Secretary of State Michael Pompeo’s remarks on the South China Sea.[53] The August launches of anti-ship ballistic missiles, significant threats to US aircraft carriers, occurred days after US aircraft carriers conducted operations in the South China Sea.[54] On September 28, China held five simultaneous naval exercises, two of which were live-fire and were held near the Paracel Islands. These drills were notable, first, because they were held at the same time in four different seas and, second, because they followed Chinese accusations that the US had flown spy aircraft over the South China Sea.[55]

Second, the capabilities China is exercising and displaying are the most relevant ones for a contingency against the United States in the South China Sea. The main missions would be anti-surface warfare and an air campaign over the disputed islands.[56] The most relevant capabilities for these missions are strike aircraft, anti-ship ballistic missiles, anti-ship cruise missiles, and submarines. Because the primary advantage of submarines lies in their stealth, it is unsurprising that China has not been leveraging its undersea capabilities in its signaling campaign.

But the PLA has been predominantly focused on demonstrating other capabilities in its various deployments and exercises; there were three clear anti-submarine exercises, four involving strike aircraft and another three instances of anti-ship missile tests and launches. Strike capabilities were the most exercised in general—from showing that the Xian H-6J and Xian H-6G can do night takeoffs and landings, long distance operations, and firings on maritime targets to showing that torpedo launches from China’s guided missile corvettes can also successfully hit their targets.[57]

China has demonstrated more sophisticated anti-submarine warfare capabilities. In March, two Chinese aircraft conducted an anti-submarine drill over the South China Sea.[58] In May, China deployed anti-submarine aircraft that excel in surveillance capabilities of ground-based radar at Fiery Cross Reef.[59] The August missile firings were the most notable, which allegedly included the DF-26B and the DF-21D, or “carrier killer,” simulating a strike on a US warship. [60]

Figure 1. Chinese State-Owned Media Coverage of the South China Sea, 2011–20 and 2019–20

Source: Author.

Third, the Chinese media often add warnings to their coverage of PLA activities in the South China Sea. For example, after China’s August missile test, PLA sources specifically said these were meant as a warning to the US.[61] With the August deployment of H-6J, Chinese media highlighted its electronic warfare and strike capabilities, against the US in particular.[62] When the DF-26 anti-ship ballistic missile was launched as part of a larger exercise, the Chinese media stated that “the live-fire DF-26 exercises showed that the US cannot use aircraft carriers.”[63]

I now address the past eight months of Chinese media coverage of military activities in the South China Sea in greater detail.

Chinese Discourse About the South China Sea

Like military activities and deployments, Chinese discourse about military issues in the South China Sea has experienced more of a qualitative than a quantitative change over the past eight months. The degree to which the Chinese media have covered events in the South China Sea has remained relatively stable during the past eight months, though there was a spike during the summer that corresponds with an increase in Chinese military exercises and movements. To date, 2020 has seen an average of 9.33 articles per month; only three other years since 2011 had lower monthly averages: 2013 (6.58), 2017 (7.75), and 2019 (7.08).[64] (See Figure 1.) 

Also, the patterns in the type of newspapers doing most of the reporting is consistent as well. Since 2018, the Global Times, a non-authoritative subsidiary of the People’s Daily with strong nationalist views, has published the vast majority of the articles, while venues such as PLA Daily and People’s Daily have put forth few such articles. (See Figure 2.)

Figure 2. Number of Articles Regarding the South China Sea by Major Newspapers



Source: Author.

The Chinese military and defense establishment also continues to be the main spokesperson on South China Sea military issues, with statements released by both the Ministry of National Defense and the Southern Theater Command (the part of the Chinese armed forces in charge of South China Sea contingencies). The fact that the situation has not escalated to upper-level party members, such as Xi Jinping, suggests that the situation remains relatively under control and the incidents are too small to warrant higher-level attention. Fourteen statements have been issued about the South China Sea since March, all about US operations there and with similar messaging.[65]

PLA Southern Theater Command statements usually assert:

US military has trespassed into Chinese territory.

US operations are destroying peace and stability in the region.

The US is violating and demonstrating disregard for international rules, norms, and law.

US behavior is an act of hegemony and military provocation.

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