五角大廈建議：2026年F‑35購機數減半，引發對台海防衛疑慮

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這一「砍半」決策也波及海軍与陸戰隊：海軍購買數從17架降至12架，陸戰隊同樣面臨削減。該預算草案是川普政府內部調整支出優先順序的一部分，旨在控制國防費用，但F‑35並未被列為優先保護項目之一 。

儘管空軍強調F‑35仍是核心戰鬥資產，然而下滑數量可能對高端戰力部署造成影響。資深分析師指出：「下降這麼多將對整體戰力現代化造成重大障礙」 。

相關報導指出，美國國會撥款委員會可能比照去年支持機數，上限可能提升至42架。此外，參眾兩院預算協商將決定最終數量 。

🔍 三大觀察重點 

1. F‑35訂單縮減或影響台海嚇阻能力
   ◦ F‑35為美軍高端戰機主力，其採購減半恐削弱美軍在印太地區，尤其台灣周邊的快速部署能力。
    
2. 供應鏈與工業體系或受波及
   ◦ 購機量減少恐傷害F‑35產線生產節奏與供應商生存，進一步影響武器系統維持能力。
    
3. 國會或扮演調節角色，恢復採購數
   ◦ 國會通常提高槍購數，歷年都將官方申請提升，是否能保2026達40架以上值得觀察。
    

Pentagon Plan Cuts 2026 F‑35 Order in Half — Sparking Taiwan Strait Deterrence Concerns

A June 12 draft Pentagon budget proposes halving the U.S. Air Force’s F‑35A fighter purchase for fiscal 2026 to just 24 jets—down from 44 in 2025—allocating roughly $3.9 billion, an 18% dollar decrease due to lost economies of scale  .

The cut also extends to the Navy and Marine Corps: carrier variant orders drop from 17 to 12, while others face similar reductions. The move is part of the Trump administration’s reprioritization effort, with the F‑35 excluded from budget-protected categories  .

Despite asserting the F‑35’s central role, some analysts warn: “This magnitude of reduction could severely hamper modernization efforts”  .

Congress is expected to counteract cuts—last year, lawmakers increased planned purchases to 51 aircraft. The House Appropriations draft allocates $4.5 billion for 42 F‑35s, alongside funding for other programs  .

🔍 Three Key Takeaways

1. Deterrence Gap in Taiwan Strait
    
   • F‑35 cuts may dampen U.S. advanced fighter presence and rapid-response capability in the Indo-Pacific.
2. Supply Chain Disruption Risk
    
   • Production cuts threaten the F‑35 industrial base, endangering maintenance and future readiness.

3. Congress as Oversight Safeguard
    

   • Legislative pushback may restore procurement volume, preserving long-term modernization.