NASA has entrusted SpaceX with an $843 million contract aimed at safely deorbiting the International Space Station (ISS) by the end of this decade. This ambitious mission marks a pivotal moment in space exploration as SpaceX prepares to construct a specialized spacecraft for this monumental task.
Scheduled for around 2030, SpaceX’s mission involves designing and deploying a dedicated deorbit vehicle. This spacecraft will meticulously guide the ISS, a structure equivalent to a football field in size and weighing approximately 950,000 pounds, back to Earth’s atmosphere. Travelling at speeds exceeding 17,000 mph, the ISS will make its final descent into the ocean, ensuring the safety of populated areas on land.
Since its inception in 2000, the ISS has served as a beacon of international collaboration, hosting astronauts from the United States, Japan, Russia, Canada, and Europe. Over two decades, it has facilitated over 3,300 scientific experiments, pushing the boundaries of human knowledge in space. However, technical issues and aging infrastructure have prompted the decision to conclude its operational life by 2030.
According to Scientific American report, The design of the deorbit vehicle that will be used to destroy the International Space Station will be rooted in that of SpaceX’s Dragon capsule, said Bill Spetch, operations integration manager for NASA’s International Space Station Program, during a press conference that the agency held today to discuss a range of issues related to the space station. “That’s based off a Dragon-heritage design,” he said of the forthcoming vehicle. “Obviously they have to do some modifications and some changes to the trunk for that, but that is the plan.”
The decision to deorbit the ISS is not only a logistical necessity but also a response to the increasing risks posed by space debris. Recent incidents, such as the threat from a shattered Russian satellite, highlight the vulnerability of orbiting spacecraft. The safe disposal of the ISS aims to mitigate these risks and ensure continued safe operations in Earth’s orbit.
While SpaceX is renowned for its reusable rocket technology and successful cargo missions to the ISS, the deorbit mission presents unique challenges. Distinct from its Dragon capsule and other vehicles, the deorbit spacecraft requires precision engineering to manage the controlled reentry and breakup of the ISS during descent. This task underscores SpaceX’s commitment to advancing space technology and ensuring responsible space exploration practices.
As NASA and its international partners prepare for the ISS’s final phase, discussions continue regarding the financial and technical responsibilities associated with its deorbiting. Collaboration among the five participating space agencies will be crucial in ensuring the mission’s success and managing the transition to future space endeavors, including upcoming commercial space stations.