The Space Shuttle 〈FHD〉
Five flight-worthy orbiters were constructed for the program:
The Space Shuttle, officially known as the , was the world’s first partially reusable spacecraft, operating from 1981 to 2011. Over 30 years, the program flew 135 missions , launched 355 people from 16 countries, and traveled more than 542 million miles. The Space Shuttle
: Built as a replacement for Challenger, it completed 25 missions, including the first service mission for Hubble. officially known as the