The truck, too, could have been the product of a Federation world.

Part of the celebration, surely, sent in from some distant Federation world.

They are illegal on Federation worlds that support life.

The limits of Federation worlds were far too narrow for her.

They had expressed no interest in studying other Federation worlds or being studied.

Our informant suggested that this game was extremely large indeed and not native to any known Federation world.

We were on a Federation world, checking out some ruins.

But then he asked, "Have you ever been to a Federation world?"

"Then why don't you go back to some Federation world, old man?"

"You do not have such sports on your Federation worlds?"