Cha ouj--what the Federation called dilithium-- gave off a very particular sort of radiation.

That virus was an artifact of the incident the Federation called the "Double Helix situation."

Is the Federation calling in new vessels?

The Federation of German Industry called it "worse than everything we had feared."

I can't believe the Federation is even calling this conference!

The Korean Federation of Democratic Unions, an unauthorized alliance that claims nearly 500,000 members, promptly called a strike.

"What the Federation is calling 'dead zones," the Romulans have dubbed 'power deserts.

But the American Federation of Teachers has called for almost exactly the same reforms.

What happened was the First Romulan War, as the Federation later called it.

"As you know," Sammak proceeded, "the Federation has called on all of its member worlds to present candidates for service in its Starfleet."