STS-87 Commander Kevin Kregel is assisted with his ascent and re-entry flight suit in the white room at Launch Pad 39B by Danny Wyatt, NASA quality assurance specialist. STS-87 is the fourth flight of the United States Microgravity Payload and Spartan-201. A veteran of two space flights (STS-70 and -78), Kregel has logged more than 618 hours in space