Throughout his decade-long stint as Japan’s leader, the late prime minister Shinzo Abe singularly focused on enhancing Japan-ASEAN relations and, crucially, revamping Tokyo’s post-war defence and foreign policy. And no regional state has been more supportive of an active Japanese security role in Asia than the Philippines. Under both the reformist Benigno Aquino and populist Rodrigo Duterte administrations, the Southeast Asian nation has actively supported a Japanese security role in the Indo-Pacific.
In 2018, Japan deployed, armoured vehicles for the first time in its post-war history for joint exercises in the Philippines, at the time the pro-Beijing Duterte was in charge. Over the subsequent years, Japan-Philippine defence relations experienced other firsts, including joint aerial exercises in 2022. If anything, Japan became a regular “observer” during annual Philippine-US Balikatan exercises, which have simulated potential war scenarios with China.
Earlier this year, Kishida, an Abe protégé, doubled down on strategic cooperation with the Philippines under the newly-launched Japan-Philippine-US (JAPHUS) trilateral security partnership, which was launched at the White House. During his visit to Washington, Kishida positioned Japan as a “global partner” for a rules-based international order, thus underscoring his country’s newfound role as a pillar of peace and security in Asia.
Under his “realism diplomacy”, the Japanese leader has doubled Japan’s defence spending as a share of the Gross Domestic Product and pressed ahead with the development of next-generation military technology, including fighter jets and long-range missiles, to make JSDF a truly global force in the 21st century.
Japan’s newly signed defence pact with the Philippines bolsters its security role in the region and, crucially, allows both Asian nations to more effectively prepare for and respond to potential contingencies in their own backyard. In particular, it facilitates growing intelligence-sharing, joint drills and technology transfer between Manila and Tokyo with an eye on China’s increasingly aggressive behaviour in the South China Sea.
The two countries can also deploy forces to and coordinate their defence posture, particularly in vital military facilities in northern Philippines (Batanes) and southern Japan (Okinawa), which is extremely close to Taiwan’s shores.
For Manila, its burgeoning defence partnership with Japan allows it to lessen its dependence on Washington and, crucially, access high-end technology and vital training, which is pivotal to the modernisation of the AFP. The spoke-to-spoke cooperation between Japan and the Philippines reflects the growing desire of middle-sized nations to upgrade their defensive capabilities and enhance their strategic autonomy amid a “New Cold War” as well as deepening uncertainty over the future of American foreign policy.