21.   He has acknowledged making land surveys, but says he is innocent of espionage.

22.   He still faces espionage charges for making land surveys.

23.   Helicopters made aerial surveys of the area to spot any violence.

24.   Inspectors drove out of their headquarters to search sites in and outside Baghdad while three helicopters made aerial surveys, the official Iraqi News Agency reported.

25.   Russian intelligence agents accused Bliss of making land surveys of closed sites using satellite receivers that were brought into Russia illegally.

26.   Russian intelligence agents have accused Bliss of making land surveys of sensitive sites using satellite receivers brought into Russia illegally.

27.   Russia has decided to file formal espionage charges against an American engineer accused of making land surveys of sensitive sites, the Federal Security Service said Thursday.

28.   Details of how the survey was carried out were not provided, including how many students were involved or who made the survey.