71.   The planes flew low over the sea to avoid radar detection and in total radio silence.

72.   The reason is that periscopes are designed to be stealthy and avoid visual detection.

73.   The owners kept the women moving to avoid detection by law enforcement and to ensure repeat customers who demanded sex with different women.

74.   The ring attached vehicle identification numbers from salvage cars to the stolen cars to avoid detection, agents said.

75.   The smugglers, in turn, have become far more sophisticated in avoiding detection.

76.   The U.S. government is trying to control exports of advanced encryption technology because of fears terrorists will use it to avoid detection.

77.   The U.S. government is trying to control export of advanced encryption technology because of fears terrorists will use it to avoid detection.

78.   The vehicles, the observers said, had been haphazardly, but effectively, camouflaged to avoid detection by American warplanes.

79.   The young Palestinians, experienced street fighters, ducked, crouched and scampered to avoid detection until the troops let loose with a warning volley.

80.   There is an inherent conflict between what the stealth shapers would like to do to avoid detection and what aerodynamics engineers want to do to make an aircraft agile.