1.   As soldiers jumped out of the lorries, firing all around, helicopter gunships appeared overhead.

2.   A whirring shape had appeared overhead.

3.   A breeze stirred and some gray clouds appeared overhead.

4.   A plane appeared overhead.

5.   People from Siberia to Los Angeles were thrilled when one of the silvery behemoths appeared overhead.

6.   Some rugged clouds appeared overhead.

7.   As Western journalists and television crews were filming bomb craters Tuesday afternoon, jets appeared overhead and launched another attack.

8.   As Western journalists and television crews were filming bomb damage this afternoon, jets appeared overhead and launched another attack.

9.   Things are going so well now, fate having been well served in her case, that Moore is only caught unawares when a rare dark cloud appears overhead.

10.   The fishermen had taken advantage of mild weather to enjoy their hobby and did not realize they were stranded until helicopters appeared overhead.