美軍多功能無人機「伐木工」亮相　兼具攻擊、偵察與電戰能力!

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「伐木工」無人機（圖片取自Northrop Grumman官網）
 

美國國防科技企業諾斯洛普·格魯曼（Northrop Grumman）日前於「現代陸戰隊」（Modern Day Marine）展覽中，公開其新一代戰術無人機「伐木工」（Lumberjack），展示其跨域多功能設計。
Northrop Grumman has introduced its newest tactical drone, the “Lumberjack,” at the Modern Day Marine expo in Washington, D.C., showcasing a versatile system that combines surveillance, strike, and electronic warfare roles.

「伐木工」被歸類為美軍 Group 3 級無人飛行載具（UAS），具備最大重量600公斤以下、飛行高度5500公尺以內的標準，其飛行速度介於185至462公里之間，定位於中型無人作戰平台。
Falling under Group 3 classification, the Lumberjack is a mid-size UAS weighing under 600 kg, capable of flying below 5,500 meters and at speeds between 185 to 462 km/h.

其設計酬載量足以搭載一枚重達113公斤的小直徑炸彈，讓它具備遠程「動能打擊」能力，也可根據任務需求，改裝為投放集束彈藥或搭載電子干擾設備的機型。
It can carry up to a 113-kg Small Diameter Bomb, enabling precise kinetic strikes, and can also be reconfigured for cluster munitions or electronic jamming missions.

Lumberjack 的中段採用模組化設計，能迅速切換酬載，以適應不同作戰場景。其全自主飛行能力與從地面、空中或海上發射的靈活部署方式，使其成為多環境通用平台。
Its modular midsection enables quick payload swaps, and the drone is launchable from land, air, or sea. With autonomous navigation and remote ground control support, it adapts easily to evolving battle conditions.

諾格指出，該無人機最大打擊半徑可達320公里，完美填補傳統火砲與載人戰機之間的打擊落差，無需派遣有人機就能實現精準遠距攻擊。
With a strike radius of 320 km, Lumberjack bridges the firepower gap between artillery and manned aircraft, offering precision strike capability without risking pilots.

其搭載的「短斧」（Hatchet）彈藥僅重2.7公斤，是由諾格自行開發的微型精準武器，可進行高效率、低附帶損害的打擊任務。
Equipped with the 2.7 kg “Hatchet” smart munition, also developed by Northrop, the drone can execute surgical strikes with minimal collateral damage.

據報導，「伐木工」目前造價約為7.5萬至10萬美元，具備攻擊、偵察與電子作戰功能，是現代衝突中高性價比的戰術選擇。
With an estimated cost between $75,000 and $100,000 USD, the drone offers a cost-effective multi-role solution for modern military operations.

該機型已進入與美國國防部共同研發的測試階段，並邀請潛在客戶參與後續測評，有望成為下一代多用途無人機標準平台。
Lumberjack is currently undergoing evaluation with the U.S. Department of Defense, and Northrop is inviting partners to test and assess its deployment potential for future battlefield integration.