Besides the cost, the missile system faced other operational challenges.

Civilian casualties are not just a political issue, they are an operational challenge.

In many ways, the biggest operational challenge will be to combine the two companies' nationwide mortgage units.

There are three types of remanufacturing activities, each with different operational challenges.

We will channel our energies to overcome a host of operational challenges.

It also does not compare the operational challenges involved between the different categories of biofuels considered.

In practice, this can be a large operational challenge.

Pricing the service is only one of many commercial and operational challenges the merger would face.

This was also a decade of serious financial and operational challenges for the manufacturers back in Britain.

The mine once employed around 1500 people but as it stands, production has been stopped due to operational challenges.