The Philippines has warned that China could take advantage of any perceived gaps created by the recent reduction in the scale and duration of joint military exercises between the United States and South Korea, as concerns over security dynamics in the Asia-Pacific continue to grow.
Philippine Defence Secretary Gilberto Teodoro issued the warning on the sidelines of the Seoul Defense Dialogue, an annual multilateral security forum, where he was asked whether Beijing could use the changes to the US-South Korea exercises as an opportunity to strengthen its position in the region. Teodoro said China had demonstrated a willingness to act quickly whenever it identifies openings.
“China is very quick to exploit gaps,” the Philippine defence chief said on Monday, underscoring Manila’s concern that a reduction in military activity by the United States and its regional partners could be interpreted by Beijing as a sign of diminishing pressure.
Despite the concern, Teodoro said the Philippines had received assurances from Washington that the changes to the exercises did not represent a broader reduction in its security commitments to Manila. According to the defence secretary, the United States had provided “definite assurances” that its commitments to the Philippines remained unchanged.
The remarks come as Washington and Seoul adjust the format of one of their most significant annual military exercises. South Korea and the United States shortened the duration of the Ulchi Freedom Shield drills last month and reduced the scale of field training following an order from US President Donald Trump for a “substantial reduction” in the annual war games.
The exercise ultimately concluded six days earlier than originally scheduled, prompting questions among regional security observers about whether the adjustment could affect perceptions of US military engagement in East Asia.
Teodoro’s warning reflects the wider sensitivity among US allies in the region to any changes in Washington’s military posture. For countries that rely on American security commitments, reductions in exercises can raise questions about deterrence even when formal defence guarantees remain in place.
The Philippine official also accused China of using democratic systems to promote what he described as “distortive narratives”, adding another dimension to Manila’s concerns about Beijing’s influence and regional messaging.
Washington’s assurances to Manila
Teodoro’s comments sought to distinguish the reduced US-South Korea exercises from Washington’s separate security relationship with the Philippines. While the Philippines remains attentive to developments involving American forces and exercises elsewhere in the region, the defence secretary said Manila had been assured that its own commitments from Washington had not changed.
That reassurance is significant for the Philippines because Manila closely monitors shifts in the broader US military posture across the Asia-Pacific. Any perceived weakening of American engagement could affect calculations among countries dealing with competing security pressures in the region.
The issue has also emerged alongside a separate debate over South Korea’s possible involvement in US-led efforts connected to freedom of navigation in the Strait of Hormuz.
South Korea’s presidential office said last week that Seoul was considering possible “contributions” to the US effort to protect freedom of navigation in the strategically important waterway. The office later clarified that no decision had been made and stressed that any deployment of South Korean military personnel would require several formal steps.
Those steps include a decision by the country’s National Security Council, a cabinet resolution and approval from the National Assembly. The clarification indicated that the discussion had not yet resulted in an authorised military deployment.
The issue is particularly sensitive because the United States and South Korea have traditionally focused much of their combined military planning on threats emanating from the Korean Peninsula, particularly North Korea’s nuclear and missile programmes.
Changes to US-South Korea exercises
The reduction in the Ulchi Freedom Shield exercises followed Trump’s instruction for a significant cut in the annual war games. The US president cited his “very good relationship” with North Korean leader Kim Jong Un when explaining the decision.
Trump also linked the move to South Korea’s refusal to join the United States and Israel in their war on Iran at the time.
The adjustment has therefore become part of a wider discussion about Washington’s military priorities and the balance between maintaining deterrence and pursuing diplomatic objectives.
Trump has said he intends to meet Kim again later this year, raising the possibility of renewed engagement between Washington and Pyongyang. However, the North Korean leadership has disputed the suggestion that communication between the two sides is currently continuing.
Kim Yo Jong, the North Korean leader’s sister, issued a statement last week rejecting the idea that there was ongoing communication between Kim Jong Un and Trump. She maintained that Washington continued to pursue what she described as a “hostile” policy towards North Korea despite the positive personal relationship Trump has repeatedly highlighted.
The conflicting messages have added uncertainty around the prospects for renewed US-North Korea diplomacy while military activities involving the United States and its Asian allies continue.
US, South Korea and Japan prepare for new drills
Against that backdrop, the United States, South Korea and Japan are scheduled to conduct five days of trilateral military exercises in waters east and south of South Korea’s Jeju Island beginning Monday.
The exercise, known as Freedom Edge, brings the three countries together for another demonstration of their security cooperation at a time of heightened regional tensions.
South Korea’s military has described the drills as defensive in nature. According to the military, the exercise is intended to strengthen the three countries’ ability to respond to North Korean nuclear and missile threats while contributing to regional peace and stability.
The planned exercise also demonstrates that the reduction in the US-South Korea drills has not brought an end to military cooperation involving Washington and its Asian allies. Instead, the regional security architecture continues to rely on a combination of bilateral and trilateral exercises.
For Seoul, the stated purpose of Freedom Edge remains centred on responding to threats from North Korea. For Washington and its partners, however, such exercises also provide an opportunity to demonstrate interoperability and maintain readiness among allied forces.
North Korea condemns regional military exercises
North Korea has previously criticised the trilateral exercises involving the United States, South Korea and Japan, portraying them as evidence of an increasingly confrontational regional security environment.
Pyongyang has described the drills as a “reckless show of strength” and argued that they demonstrate what it regards as the hostile intentions of its adversaries.
North Korea has also alleged that the exercises go beyond the Korean Peninsula, claiming they reflect a US effort to put pressure on China and Russia. Pyongyang has previously characterised the drills as potentially connected to an American intention to lay siege to China while simultaneously exerting pressure on Moscow.
The claims remain part of North Korea’s broader opposition to military exercises involving the United States and its allies. Washington, Seoul and Tokyo, meanwhile, maintain that their cooperation is intended to strengthen deterrence and address security threats, particularly those associated with North Korea’s weapons programmes.
The competing interpretations highlight the delicate security calculations facing governments across the Asia-Pacific.
Manila watches regional security shifts
For the Philippines, the recent changes to US-South Korea exercises are therefore being viewed through a wider regional lens. Teodoro’s warning that China could “exploit gaps” reflects Manila’s concern that changes in military activity among US allies could create opportunities for Beijing to increase its influence or alter regional calculations.
At the same time, his reference to Washington’s “definite assurances” suggests that Manila does not regard the adjustment to the Korean exercises as evidence that the United States has abandoned its commitments to the Philippines.
The combination of reduced US-South Korea exercises, renewed speculation about Trump’s future engagement with Kim Jong Un, discussions over South Korea’s possible role in the Strait of Hormuz, and continuing US-South Korea-Japan military cooperation illustrates the competing demands facing Washington and its Asian partners.
As regional governments assess those developments, Manila is making clear that it remains particularly alert to any opening that Beijing could exploit. Teodoro’s warning places the Philippines among US partners seeking reassurance that changes in one part of Washington’s regional military posture will not translate into a broader weakening of its security commitments elsewhere.
Philippines Warns China Could Exploit Reduced US-South Korea Military Drills
![South Korea's K-2 tanks fire during a South Korea-US joint military drill at Seungjin Fire Training Field in Pocheon, South Korea [File: Jung Yeon-je/Reuters]](https://i0.wp.com/wifeynews.com/wp-content/uploads/2026/09/1788756040414.jpg?fit=720%2C493&ssl=1)
South Korea's K-2 tanks fire during a South Korea-US joint military drill at Seungjin Fire Training Field in Pocheon, South Korea [File: Jung Yeon-je/Reuters]
