<div id="readability-page-1"><div><div><p>Lockheed Martin announces that it has been awarded a firm-price contract worth $233m to supply the US Air Force and Air National Guard with IRST21 Block II infrared detection systems and spare parts.</p><p>These long-range infrared search and track sensors enable passive detection of airborne targets, improving pilots' situational awareness and decision-making speed. The Block II version incorporates new optics, advanced processors, and optimized algorithms, offering increased detection range and improved accuracy for engagements outside the field of view.</p><p>Cristin Stengel, director of the IRST21 program, emphasizes that this evolution provides pilots with a decisive advantage against emerging threats. The contract marks the transition to series production following operational validation by the US Navy.</p></div></div></div>

洛克希德馬丁

<p>洛克希德馬丁獲得了一份價值 2.33 億美元的合同，為美國空軍和空中國民警衞隊提供 IRST21 Block II 紅外探測系統及備件。這些系統通過實現對空中目標的被動探測，增強了飛行員的態勢感知和決策能力。Block II 版本配備了新光學、先進處理器和優化算法，以提高探測範圍和準確性。該合同標誌着在美國海軍成功進行作戰驗證後，進入系列生產階段</p>

洛克希德馬丁贏得了價值 2.33 億美元的紅外系統合同