31.   Second, the failure must occur suddenly, with no time to prepare or adjust.

32.   The failure occurred when the kill vehicle that was supposed to slam into a dummy warhead failed to separate from its booster.

33.   The failures have occurred in old equipment, and in systems in which new equipment was being installed.

34.   The initial power failure occurred because two generators did not have enough fuel.

35.   The power failures occurred at regional air traffic control centers, which generally handle big passenger planes flying at high altitudes.

36.   The radar failure occurred as a result of a scheduled software upgrade Wednesday night, FAA spokesman Jerry Snyder said.

37.   These are handy should the power failure occur at night.

38.   Widespread power failures occurred Wednesday as Hurricane Bonnie unleashed her fury on southeastern North Carolina.

39.   Peter Tippett, founder of ICSA.net, said multiple security failures likely occurred.

40.   Autopilot failures have occurred on several occasions, most recently in March.