"It is the biggest opportunity in the last 30 years."

The majority of people take it as a big opportunity.

It will be difficult but we have a big opportunity.

Chicago missed a big opportunity on the last play of the half.

This ought to be a big opportunity for the record companies, he says.

It's a big opportunity for me and I don't mind.

They also stayed because, for most of them, it was the biggest opportunity to come along yet.

"If a big opportunity comes along, it might be a whole different company in two years," he said.

Providing services to build that business will be another big opportunity.

But the big commercial opportunity is likely to be in missions at 50,000 feet and higher that last for months.