   sts-47 was the 50th space shuttle mission of the program, as well as the second mission of space shuttle endeavour. the mission mainly involved conducting experiments in life and material sciences. ==crew==  ===backup crew=== {{spaceflight crew |terminology = astronaut |position1 = payload specialist 1 |crew1_up = chiaki naito-mukai |agency1_up = nasda |position2 = payload specialist 1 |crew2_up = takao doi |agency2_up 
Space_Shuttle_missions Spacecraft_launched_in_1992