Astronaut Norman E. Thagard (right center), a guest researcher on Russia's Mir 18 mission, monitors a test of a subject (out of frame) in the Lower Body Negative Pressure (LBNP) device. Others pictured, left to right, are Todd Schlegel (seated) of the Medical Sciences Division at JSC, unidentified trainer, Linda Barrows of Krug; cosmonaut Vladimir N. Dezhurov, mission commander; cosmonaut Gennadiy M. Strekalov, Thagard and cosmonaut Alexsandr F. Poleshchuk, Mir 18 reserve flight engineer.