71.   Operators at the system control center will know almost immediately whether traffic is disrupted.

72.   Operators could be located in airborne control centers or riding shotgun in human-piloted jets on the scene.

73.   One will link the Houston and Kaliningrad control centers, and the second will link Discovery directly to Mir.

74.   Rather, he said, it would be a secure control center where emergency operations could be directed in case of a disaster.

75.   Randy Downing, airway facilities manager at the air traffic control center, said the problem has not been completely erased.

76.   Rapid tests have been as accurate as standard screening tests in studies, the disease control centers said.

77.   Radar in the air-traffic control center for the New York City region has blacked out three times in the past two months.

78.   Should a part of a poisonous plant be ingested, call a poison control center immediately.

79.   Similar readings at the launch control center at Kennedy also showed the engines were working properly.

80.   Software at the control center has been upgraded dozens of times without problems.