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- [28] Lockheed Martin EELV designed for flexibility AVIATION WEEK & SPACE TECHNOLOGY, 1998, 149 (03): : 56 - 57
- [29] Lockheed Martin finally collects on consolidation AVIATION WEEK & SPACE TECHNOLOGY, 2001, 154 (06): : 60 - 62
- [30] Lockheed Martin angling for Comsat acquisition AVIATION WEEK & SPACE TECHNOLOGY, 1998, 149 (13): : 20 - 21