STS-110 crew eating on board the ISS The Expedition Four and STS-110 crewmembers share a meal in the Zvezda Service Module on the International Space Station (ISS). From the left are astronauts Carl E. Walz (partially out of frame), Expedition Four flight engineer; Ellen Ochoa, STS-110 mission specialist; Michael J. Bloomfield, STS-110 mission commander; Jerry L. Ross, Lee M. E. Morin, Steven L. Smith, all STS-110 mission specialists; and Stephen N. Frick, STS-110 pilot. The remainders of the crews were out of frame.