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

She is expected to become operational for Atlantic service in 2013.

The airport has not been operational for the last seven eight years.

The system has now been operational for a few years.

He's been operational for three years and we know next to nothing about him.

Although the base is no longer operational for years, many soldiers have decided to stay.

The site was fully operational again for everyone within 24 hours.

When the house was built the station had already been operational for over ten years.

I've only been operational for four months and yet already people are beginning to seek me out.

An official in the President's office said the system would not be operational for two or three days.