div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: UPPER National Aeronautics and Space · the upper half base down with your finger and gently pulling on the tabs Assembðthe lower half in the same way Tape the upper half and src=https:reader030vdocumentssitereader030viewer20220331235ed95e3ef59b0f56f45f5c84html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: UPPER National Aeronautics and Space · the upper half base down with your finger and gently pulling on the tabs Assembðthe lower half in the same way Tape the upper half and src=https:reader030vdocumentssitereader030viewer20220331235ed95e3ef59b0f56f45f5c84html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv