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Air/Aerospace Defense Command (ADC) (791 words) |
 | The Air Defense Command (ADC) is organized primarily to discharge Air Force responsibilities for the air defense of the United States. |
| ADC units fly the Lockheed RC-121 Warning Stars which form the aerial seaward extensions of ground radar lines off both ocean coasts of the United States. |
| ADC is the major component force of both the Continental Air Defense Command (CONAD) and the North American Air Defense Command (NORAD). |
| ATSB - Aviation Safety - Accident & Incident Reports - Detail (1002 words) |
| The ADC 1 also instructed the crew to report approaching 4,000 ft. The crew acknowledged the clearance but later advised that they were unable to report approaching 4,000 ft due to frequency congestion. |
| The ADC 1 had assigned 4,000 ft so that a procedural separation standard of 1,000 ft could be maintained with other aircraft until he could see the B1900 and apply visual separation. |
| The ADC 1 was unable to apply the required separation standard, either 1,000 ft vertically, or a minimum horizontal distance determined using the appropriate `Lateral Separation' standard from the Manual of Air Traffic Services (MATS), between the B1900 and the traffic inbound to the southern circuit. |
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