RT @airandspace: TDIH 1958: America’s first successful satellite, Explorer 1, launched on Jupiter-C. Backup: ow.ly/XLtKz https://t.co/lfYkIvS9q8
RT @airandspace: TDIH 1958: America’s first successful satellite, Explorer 1, launched on Jupiter-C. Backup: ow.ly/XLtKz https://t.co/lfYkIvS9q8