Their prime mission was to offer education and health care to children.

Both investigations will be performed using the Deep Impact spacecraft, which finished its prime mission in 2005.

But he added that an airport's prime mission is to be a "safe, secure and speedy terminus for travelers."

The prime mission of the institute is to conduct basic and applied research in the field of geographical science.

The motorcycle gang have made making contact with Eve their prime mission.

Both completed their three-month prime missions in April 2004 and continued years of extended operations.

The event's prime mission has always been to showcase Pakistan's ability to export arms to foreign nations.

The prime mission was to keep them apart, anyway.

The solar-powered lander operated two months longer than its three-month prime mission.

Galileo's prime mission was a two-year study of the Jovian system.