ISRO’s LVM3-M6 rocket lifted off at 8:54 AM IST on December 24 from Sriharikota, precisely injecting the 6,100 kg BlueBird Block-2 communication satellite built by AST SpaceMobile into a 520 km Low Earth Orbit, marking India’s first dedicated commercial mission for a US client, the heaviest satellite ever launched from Indian soil by an Indian vehicle, ISRO’s 104th launch overall, and a back-to-back LVM3 flight just 52 days after the previous one; PM Modi praised it as a “significant stride” in India’s space sector while Chairman V Narayanan highlighted its 100% reliability and commercial prowess.
Mission Triumph and Technical Feats
The launch of LVM3-M6 represented a pinnacle of precision engineering from the Indian Space Research Organisation (ISRO), unfolding flawlessly under clear skies at the Satish Dhawan Space Centre in Sriharikota, Andhra Pradesh.
This 43.5-metre-tall, three-stage behemoth often dubbed ISRO’s “Bahubali” for its might comprises two massive S200 solid strap-on boosters, a liquid propellant core stage, and a cryogenic upper stage, delivering over 2,000 tonnes of thrust at liftoff.
Weighing approximately 640 tonnes at launch, it carried the 6,100 kg BlueBird Block-2, the heaviest payload ever entrusted to an Indian launcher for Low Earth Orbit (LEO) at around 520 km altitude. Separation occurred about 15 minutes post-liftoff, with the satellite injected precisely into its target orbit, triggering jubilant cheers from mission control.
ISRO Chairman V Narayanan, addressing the post-launch briefing, exuded pride: “I am extremely happy to announce that LVM3-M6 launch vehicle has successfully and precisely injected BlueBird Block-2 communication satellite in the intended orbits.
This is the first dedicated commercial launch for a customer from USA that is AST SpaceMobile.” He elaborated on the mission’s broader significance, noting it as ISRO’s 104th liftoff from Sriharikota, the ninth consecutive success for the LVM3 series boasting 100% reliability and the third fully commercial endeavour for this vehicle.
Remarkably, this came just 52 days after the LVM3-M5/CMS-03 mission on November 2, underscoring ISRO’s accelerated cadence. The livestream, commencing at 8:54 AM on official ISRO and NSIL channels, captivated audiences worldwide, blending cutting-edge telemetry with real-time visuals of the rocket’s fiery ascent.
Prime Minister Narendra Modi swiftly congratulated the team via social media, terming it “a significant stride in India’s space sector,” which amplified national pride and spotlighted burgeoning Indo-US space ties.
For AST SpaceMobile, this satellite forms a cornerstone of their constellation aimed at delivering direct-to-smartphone 4G/5G broadband globally, sans specialised antennas, potentially revolutionising connectivity in remote and underserved areas.
Record-Breaking Legacy and Operational Excellence
This mission etched multiple milestones into ISRO’s storied history, elevating the Launch Vehicle Mark-3 (LVM3) as a workhorse for high-value payloads.
Previously powering feats like Chandrayaan-2, Chandrayaan-3’s lunar landing, and OneWeb constellations, LVM3 now stands with an impeccable nine-for-nine record across operational flights.
The 24-hour countdown, initiated amid heightened security, proceeded without hitches despite the rocket’s complexity, including indigenous cryogenic engines that enable geostationary transfers and LEO injections alike.
Chairman Narayanan’s insights painted a vivid picture: “This is the heaviest satellite ever lifted from Indian soil using an Indian launcher,” he affirmed, while emphasising the vehicle’s “excellent track record” in commercial service.
As NewSpace India Limited (NSIL) ISRO’s commercial arm brokered the deal, this marked a strategic pivot towards self-reliant revenue generation, with LVM3’s proven 6-tonne-to-GTO capacity attracting global clients.
The back-to-back scheduling, shaving turnaround times dramatically, signals ISRO’s scalability amid a crowded 2025 manifest, including NISAR and Gaganyaan prep.
Humanising the narrative, pre-launch rituals added cultural depth: Narayanan offered prayers at Tirumala Temple, invoking divine blessings for the team’s 5,000+ personnel. Post-success, ground teams monitored orbital parameters, ensuring BlueBird Block-2’s solar arrays deployed flawlessly for its communication role.
Forging Indo-US Pathways in Space Commerce
Contextually, LVM3-M6 builds on ISRO’s evolution from sovereign missions to a commercial powerhouse. Launched in 2014, LVM3 addressed gaps left by PSLV for heavier lifts, securing deals with Airbus, Intelsat, and now AST SpaceMobile.
This US partnership, amid iCET initiatives, underscores trust in Indian reliability especially as SpaceX dominates but at premium costs. BlueBird Block-2’s LEO perch enables low-latency broadband, eyeing disaster zones, maritime routes, and rural India alike, aligning with Digital India visions.
Preceding events like the November CMS-03 success honed operations, while global eyes on Starlink alternatives position ISRO competitively. Future-wise, LVM3 eyes 10+ launches yearly, funding human spaceflight and reusable tech. Economically, each mission generates crores, fuelling R&D and jobs in Andhra Pradesh’s space hub.
The Logical Indian’s Perspective
In an era of geopolitical flux, ISRO’s LVM3-M6 triumph radiates hope through collaborative ingenuity, weaving Indo-US threads into a tapestry of global connectivity that dissolves barriers and nurtures empathy across continents.
The Logical Indian champions this ethos of kindness via innovation where precision engineering serves humanity’s shared dreams of inclusive progress, sustainable harmony, and borderless dialogue, proving technology as a force for positive coexistence.
A significant stride in India’s space sector…
— Narendra Modi (@narendramodi) December 24, 2025
The successful LVM3-M6 launch, placing the heaviest satellite ever launched from Indian soil, the spacecraft of USA, BlueBird Block-2, into its intended orbit, marks a proud milestone in India’s space journey.
It strengthens… pic.twitter.com/AH6aJAyOhi

