What's up with the punctuation in the header?

Can you post a sample?

This has been here before:

http://typophile.com/node/8624

Probably custom.

I noticed that Largo Medium resembles this except for weight. I wonder if there was a Largo Black at one time?

- Mike Yanega

I've been doing some digging with PAO at NASA HQ. They confirm that the meatball is a hand-lettered graphic created by one James Modarelli, agency employee, in 1958, in his spare time.

It would indeed make a very cool font.