STS051-10-025 (12-22 Sept. 1993) --- (Orient Photo With Hygiene Kit At Right Center). Astronauts Frank L. Culbertson (right), mission commander, and Daniel W. Bursch, mission specialist, brush their teeth on Space Shuttle Discovery's middeck. Two sleep restraints form part of the backdrop for the photograph. The two were joined by three other NASA astronauts for almost ten full days in space for the STS-51 mission.