Singapore Buys 8 More F-35Bs – Would They Defend Taiwan Too?

By Johnny Franks, Warrior Editorial Fellow

Singapore’s decision to bolster its air defense capabilities by acquiring additional F-35B fighter jets could have significant strategic implications in the Southeast Asian region, particularly in the context of potential geopolitical tensions, such as a hypothetical Chinese invasion of Taiwan.

As of 2023, the Republic of Singapore Air Force (RSAF) confirmed the acquisition of an additional eight F-35B fighter jets, bringing its total fleet to 12. These jets are expected to be delivered by the end of the decade. The F-35B is the short-takeoff-and-vertical-landing variant of the Joint Strike Fighter, a choice driven by Singapore’s limited land and the need to operate from shorter runways or potentially from scattered temporary facilities. This capability is particularly critical considering the planned closure of Paya Lebar Air Base in 2030, which will leave Singapore with only two bases capable of housing and operating combat aircraft.

The acquisition of F-35Bs is part of a broader transformation of the Singaporean defense force, aiming to enhance its operational effectiveness and maintain a robust defense posture in a region characterized by increasing military activities, particularly in Northeast Asia. This move is seen as a response to the intensifying global competition and the upsizing of militaries in Asia. The F-35B’s advanced capabilities, such as its stealth features and sophisticated sensors, make it a force multiplier, potentially enhancing the operational effectiveness of not only Singapore’s but also regional air forces. However, there are limitations in terms of interoperability with most ASEAN air forces due to data link and interoperability issues.

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In the context of a potential conflict involving China, such as a hypothetical invasion of Taiwan, Singapore’s F-35Bs could play various roles. While their limited range might not directly threaten mainland China, air-to-air refueling capabilities could extend their reach. However, Singapore’s geostrategic position and historical stance of neutrality suggest that the country might be reluctant to engage directly in a conflict with China. In such a scenario, Singapore’s F-35Bs might primarily focus on defending Singaporean airspace rather than engaging in offensive operations far from its shores. Additionally, the F-35B’s ability to operate from diverse locations with short runways offers a strategic advantage in terms of survivability against potential missile attacks.

Moreover, the presence of F-35Bs in Singapore could serve as a regional asset and contribute to a collective defense posture in Southeast Asia, potentially monitoring Chinese aircraft movements around the region in peacetime or during crises. It’s also worth noting that Singapore’s acquisition of F-35Bs could indirectly benefit other regional players like Australia, as it develops an F-35 operating base that could support regional deployments and exercises under frameworks like the Five Power Defence Arrangement.