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ISRO Successfully Launches AST SpaceMobile's BlueBird Block-2 Satellite: A Milestone in India-US Space Collaboration

ISRO Successfully Launches AST SpaceMobile's BlueBird Block-2 Satellite: A Milestone in India-US Space Collaboration

On December 24, 2025, the Indian Space Research Organisation (ISRO) achieved yet another triumph with the successful launch of the LVM3-M6 mission from the Satish Dhawan Space Centre in Sriharikota. The heavy-lift rocket, often dubbed "Baahubali," carried the massive BlueBird Block-2 communication satellite for US-based AST SpaceMobile into Low Earth Orbit (LEO). This dedicated commercial mission marks a significant step forward in global space-based cellular broadband technology and strengthens Indo-US ties in space exploration.
The Launch: A Flawless Liftoff and Orbital InjectionThe LVM3 rocket soared into the skies at approximately 8:55 AM IST, captivating millions watching the live stream. After a precise 15-minute flight, the 6,100 kg BlueBird Block-2 satellite was successfully separated and injected into its intended orbit at around 520 km altitude. ISRO scientists erupted in cheers, celebrating the flawless execution – a testament to the reliability of India's premier heavy-lift vehicle.
This mission is the sixth operational flight of the LVM3 and its third fully commercial launch, handled through NewSpace India Limited (NSIL), ISRO's commercial arm. Prime Minister Narendra Modi praised the achievement, calling it a "significant stride" toward self-reliant India in the space sector.
What is the BlueBird Block-2 Satellite?Developed by AST SpaceMobile, the BlueBird Block-2 is a next-generation communication satellite designed to revolutionize global connectivity. Featuring a massive 223 square-meter phased-array antenna – the largest commercial communications array ever deployed in LEO – it enables direct-to-smartphone cellular broadband without the need for specialized hardware.
Key features include:
  • Support for 4G/5G voice calls, video streaming, messaging, and high-speed data.
  • Seamless connectivity in remote and underserved areas, bridging the digital divide.
  • Part of a growing constellation following the launch of five Block-1 BlueBird satellites in September 2024.
AST SpaceMobile has partnerships with over 50 mobile operators worldwide, aiming to create the world's first space-based cellular broadband network accessible via standard smartphones.

Why This Launch Matters: Boosting Commercial Space and Global ConnectivityThis mission sets multiple records:
  • Heaviest payload (6,100 kg) ever launched by LVM3 into LEO from Indian soil.
  • Largest commercial communications satellite deployed in LEO.
  • ISRO's first dedicated commercial launch for a US customer.
It underscores India's growing role as a cost-effective and reliable launch provider, attracting international partnerships. For AST SpaceMobile, the Block-2 satellite paves the way for expanded coverage, with plans for more launches in 2026 using providers like ISRO, SpaceX, and Blue Origin.

The joy at ISRO's mission control was palpable, with scientists applauding and embracing – reminiscent of past successes like Chandrayaan-3.As space

Technology advances, missions like LVM3-M6/BlueBird Block-2 highlight how collaboration can connect the unconnected, bringing high-speed internet to every corner of the planet. Stay tuned for updates as the satellite becomes operational and transforms global mobile connectivity.

Location: India

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