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- [32] Northrop Grumman chief renews aggressive strategy Aviation Week and Space Technology (New York), 2000, 153 (06):
- [35] Logicon merger fortifies Northrop Grumman Electronics AVIATION WEEK & SPACE TECHNOLOGY, 1997, 146 (20): : 30 - 31
- [37] Northrop Grumman meeting demand despite shortages Aviation Week and Space Technology (New York), 1997, 147 (15):
- [40] Northrop Grumman targets Newport News Shipbuilding AVIATION WEEK & SPACE TECHNOLOGY, 2001, 154 (20): : 80 - 80