S89-E-5310 (26 Jan 1998) --- This Electronic Still Camera (ESC) image shows astronauts David A. Wolf, former cosmonaut guest researcher (on left), and Andrew S. W. Thomas, future cosmonaut guest researcher. Wolf, during hand-over operations, explains the use of this scientific piece of equipment to Thomas, who will use this equipment during his tour aboard the Russian Mir Space Station. This ESC view was taken on January 26, 1998, at 15:50:31 MET.