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16th July 2025 (13 Topics)

Shubhanshu Shukla’s Space Return

Context:

The SpaceX Dragon carrying the Axiom-4 crew, including Pilot Shubhanshu Shukla, successfully returned to Earth on 15th July 2025 after a 20-day ISS mission, marking a milestone as Shukla became the first Indian to pilot a private commercial space mission.

Axiom Space Mission:

  • Axiom Mission 4 (Ax-4):
    • Launched by NASA and Axiom Space, using SpaceX’s Crew Dragon spacecraft.
    • Marked one of the first fully private crewed missions to the ISS, combining NASA’s infrastructure with commercial spaceflight
    • Crew included Commander Peggy Whitson (USA), Pilot Shubhanshu Shukla (India), and Mission Specialists from Poland and Hungary.

India's Role and Achievements

  • Shubhanshu Shukla became the first Indian pilot of a commercial orbital space mission and the first Indian to reach the ISS via a private U.S. mission.
  • His role reflects India’s increasing participation in global private spaceflight and collaborative exploration efforts beyond ISRO-led missions.
  • This aligns with India’s broader ambitions under its Space Policy 2023, which encourages private sector participation, astronaut training, and international partnerships.

SpaceX Crew Dragon Spacecraft

  • Reusable orbital-class spacecraft developed by SpaceX to transport astronauts to and from the ISS.
  • Capable of autonomous docking and reentry with full life-support systems and abort capabilities.
  • Spacecraft splashed down using parachutes, with post-landing crew recovery operations conducted off San Diego.

International Space Station (ISS)

Overview

  • The International Space Station (ISS) is a habitable artificial satellite orbiting in low Earth orbit (LEO).
  • Altitude Range: Approximately 370 km to 460 km above Earth.
  • It serves as a microgravity and space environment research laboratory, where crew members conduct experiments in various fields like biology, physics, astronomy, and materials science.

Timeline and Lifespan

  • The first module (Zarya) of the ISS was launched into orbit in 1998.
  • Since then, multiple modules from different countries have been added.
  • The ISS has been continuously inhabited since November 2000, making it one of the longest human-inhabited structures in space.
  • As per current plans, the ISS will remain operational at least until 2030.

Key Partner Agencies

The ISS is a multinational collaborative effort involving:

  • NASA – United States
  • Roscosmos – Russia
  • ESA (European Space Agency) – Represents 22 European countries
  • JAXA – Japan Aerospace Exploration Agency
  • CSA – Canadian Space Agency

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