41. It was eventually placed into production by General Electric and Westinghouse as prime contractors . 42. Lockheed is a prime contractor whose specialty is military aircraft, space systems and missiles. 43. Boeing is the prime contractor for the International Space Station. 44. There is, however, a critical difference between being a prime contractor and being a subcontractor. 45. Prime contractor Lockheed Martin developed the all-glass cockpit in which computer screens replace most gauges.46. Northrop Grumman is the prime contractor on the B-2. 47. Currently, AEDC's prime contractor is the Aerospace Testing Alliance. 48. Bechtel Corporation was the prime contractor for this project. 49. As the prime contractor for Iridium, Motorola is approaching a key juncture in the project. 50. Just over a year ago Teledesic announced that Boeing had become the project's prime contractor .
