The K-12 school was operational for a number of years before closing.

We are determined to make the Fund operational before the end of the year.

The Government hoped that the first station would be operational before 2020.

This field did not become operational before the end of the war.

This $47.4 million facility is expected to be completed and fully operational before the 2010 rotation.

Two private consortia are currently working on such projects which may be operational before the end of the decade.

The planned 116 stations should be all operational before the end of summer 2012.

This system was operational 10 years before any other country's.

Obviously, the Ranch was operational before the other hotels.

The new reactors would not be operational before 2018.