JSC2010-E-009788 (15 Jan. 2010) --- Japan Aerospace Exploration Agency (JAXA) astronaut Naoko Yamazaki, STS-131 mission specialist, participates in a simulation exercise using the Space Station Remote Manipulator System (SSRMS) simulator in the Avionics Systems Laboratory at NASA?s Johnson Space Center. Crew instructor Joseph M. Nguyen assisted Yamazaki.