 Tricia Mack will be there, and she's an aerospace engineer who went to the University of Michigan. She's been at NASA for 30 years now, and among other things, she taught spacewalks. Spacewalks. This is the open ramp tonight, by the way. It starts at 530 at the Coast Guard Air Station. The Greg he mentioned is former astronaut Greg Johnson. He's the vice chair of the Newton's Road Group. He piloted two flights aboard the space shuttle Endeavour but did not walk in space.