Anyone at the Pentagon would be happy to explain that.

In a little while, he would go to the new job at the Pentagon.

The new team at the Pentagon did not push for action.

You could have had a staff of twenty at the Pentagon.

In other words, what the 25,000 people at the Pentagon do now.

What to do, for example, with the names of those who died at the Pentagon?

They figured him for the head guy, and likely the inside man at the Pentagon.

I've got a meeting at the Pentagon in about an hour.

The two grew closer in their days of working at the Pentagon.

This speech must have been written by someone at the Pentagon.