div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: 16streetscom Complex 39-B · prime contractor for the development of the Space Shuttle Main Engine SSME INTRODUCTION The Space Shuttle mission requirements and the resulting src=https:reader036fdocumentsusreader036viewer2022071217604ae60589c8f8720a1c75f9html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv