[KongchangAI]
Unverified50% confidenceFactExact time

The U.S. defense industry has consolidated from 51 major contractors in the early 1990s to today's 5 major defense groups (Lockheed Martin, RTX, Northrop Grumman, Boeing, and General Dynamics).

1
Sources
50%
Confidence
Long-term
Relevance
8/11/2026
First Seen

Sources

费多罗夫揭秘乌克兰求购爱国者导弹的艰难博弈

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