1.   And that means older fighters will be kept in service longer, increasing costs for maintenance and spare parts.

2.   Now, the aerial refuelers have to fly from as far away as Spain, England and France, burning up precious fuel that could keep fighters flying.

3.   The Northern Alliance says it will keep its fighters outside the city but expects Pakistan-supported groups within Afghanistan to do the same.

4.   Today, it sends tanks to the western border to keep Taliban fighters from entering Pakistan.

5.   What has often kept the inflation fighter from cutting interest rates is a concern about rising prices, which often accompanies brisk economic growth.

6.   Elders in some Chechen villages, hoping to spare their homes from bombs and shells, have promised to keep rebel fighters out.

7.   I want to keep the fighters in training.

8.   In pouring rain, peacekeepers maintained a heavy presence on the streets and blocked two bridges leading into the city center to keep more fighters from entering.

9.   Thailand then shelled rebel positions to keep the fighters from joining them.

10.   The military has since conducted fighter patrols, and more fighters are kept on alert at air bases around the country.