STS-42 Commander Grabe uses DTO 653 MK1 Rowing Machine on OV-103's middeck

STS042-05-037 (30 Jan 1992) --- Astronaut Ronald J. Grabe, STS-42 commander, exercises using MK1 Rowing Machine on the middeck of Discovery, Orbiter Vehicle (OV) 103. Grabe is using the exercise device as part of Development Test Objective (DTO) 653, Evaluation of MK1 Rowing Machine. The forward lockers appear at Grabe's right and the sleep station behind him.