Source: ET
Subject: Science and Technology
Context: The International Space Station (ISS) is planned to be de-orbited in 2030 in a controlled re-entry over a remote ocean area, bringing an end to the longest-running era of continuous human presence in low Earth orbit.
About The International Space Station (ISS):
What it is?
- The ISS is a permanently crewed, modular space laboratory in low Earth orbit, used for microgravity research, technology testing, and long-duration human spaceflight studies. Humans have continuously lived aboard the station since November 2000.
Launched in:
- Assembly began in 1998 with the launch of the first module Zarya on 20 November 1998.
- Continuous habitation started with Expedition 1 in November 2000.
Nations / agencies involved
The ISS is operated through an international partnership of five space agencies:
- NASA (USA), Roscosmos (Russia), ESA (Europe), JAXA (Japan), and CSA (Canada).
Aim:
- Enable cutting-edge scientific research in microgravity.
- Test technologies and human systems needed for deeper space exploration
- Serve as a platform for international cooperation and an evolving low Earth orbit economy.
Key features:
- Modular architecture: Built from multiple modules contributed by partner agencies, assembled in orbit over years.
- Permanent human-tended lab: Supports long-duration stays and continuous experimentation since 2000.
- Shared governance & interdependence: Each partner manages hardware it provides; station functions through integrated contributions.
- Planned end-of-life disposal: A dedicated U.S. Deorbit Vehicle will enable a controlled re-entry after 2030 operations conclude.
Significance:
- ISS research has advanced understanding of human health in space, materials, and Earth-observation-linked applications, while building operational experience for future missions.
- It remains a major symbol of peaceful international collaboration in space through decades of geopolitical shifts.









