Read the excerpt from Chapter Three of Windows to the Universe: Revolutions in Astronomy.Despite its significant scientific achievements, the Hubble Space Telescope's journey is marked by persistent challenges that underscore the complexities of ambitious technological endeavors. Early struggles with funding and technical setbacks, including the infamous mirror flaw, highlight the limitations of planning and quality assurance at the time. While the collaborative efforts of NASA and its partners ultimately overcame these obstacles, the mission's reliance on corrective measures like COSTAR suggests a reactive rather than proactive approach to problem-solving. Hubble's legacy, though celebrated for its groundbreaking discoveries, reminds us of the need for meticulous preparation and foresight in pioneering projects of this magnitude.