ISRO Launches Heaviest Payload with BlueBird Block-2 Satellite
India’s heaviest rocket successfully deployed the 6,100-kilogram BlueBird Block-2 communications satellite into low Earth orbit. The LVM3-M6 vehicle lifted off from the Second Launch Pad at Satish Dhawan Space Centre in Sriharikota. This mission marked the heaviest payload ever launched by an Indian rocket into LEO. The satellite belongs to U.S.-based AST SpaceMobile for direct-to-smartphone broadband services.
The three-stage LVM3 rocket performed nominally throughout ascent and separation phases. Payload fairing separation occurred as planned, followed by precise orbital insertion. BlueBird Block-2 features large phased-array antennas spanning 223 square meters. It enables cellular broadband connectivity without requiring specialized user equipment.
AST SpaceMobile designed the satellite to support 4G and 5G voice, video, messaging, and data services globally. The constellation partners with over 50 mobile network operators worldwide. This launch advances deployment of next-generation space-based cellular infrastructure. It represents a commercial agreement facilitated through NewSpace India Limited.
The mission achieved 100 percent success for LVM3 operations to date. Previous heaviest LVM3 payload weighed 4,400 kilograms in a prior communications mission. BlueBird Block-2 exceeds that record by nearly 40 percent. Orbital parameters aligned with requirements for constellation integration.
This launch reinforces India’s position in global commercial space services. LVM3 capabilities now include heavy-lift deployments for foreign clients. The vehicle incorporates cryogenic upper stage technology for high-energy orbits. Mission control confirmed satellite acquisition of signal post-separation.
AST SpaceMobile plans additional Block-2 deployments to expand coverage. The network targets uninterrupted broadband across remote and underserved regions. Ground stations began tracking the satellite immediately after orbit achievement. This operation demonstrates reliable heavy-lift access from equatorial launch sites.
India’s space program continues expanding international partnerships through NSIL. The LVM3 fleet maintains perfect mission success rate across multiple configurations. BlueBird Block-2 commissioning proceeds with antenna deployment and system checks. This milestone enhances direct-to-device connectivity prospects worldwide.
