ISRO's LVM3-M2 to launch 36 OneWeb satellites on October 23
UPSC CSE ●● Medium importance 15 September 2026
ISRO's LVM3-M2 to launch 36 OneWeb satellites on October 23

What happened

ISRO is set to launch the LVM3-M2 mission on October 23, carrying 36 OneWeb internet satellites into orbit. LVM3, formerly known as GSLV Mk III, is India's heaviest operational launch vehicle with a payload capacity of 8,000 kg to low Earth orbit. This commercial mission marks ISRO's NewSpace India Limited operating as a launch service provider for OneWeb, a UK-based global satellite broadband company backed by the Indian conglomerate Bharti Enterprises.

Why it matters

LVM3 (Launch Vehicle Mark 3) is ISRO's most powerful operational rocket, originally developed to launch India's heavy communication satellites and the Chandrayaan and Gaganyaan missions. It uses a three-stage configuration: two solid-propellant strap-on boosters (S200), a liquid-fuelled core stage (L110), and a cryogenic upper stage (C25). The C25 uses liquid hydrogen and liquid oxygen — a technology India developed indigenously after it was denied under MTCR restrictions in the 1990s.

The LVM3-M2 mission is a commercial launch contracted through NewSpace India Limited (NSIL), the government-owned commercial arm of ISRO established in 2019. OneWeb is a low Earth orbit (LEO) satellite internet constellation company; its satellites operate at approximately 1,200 km altitude and provide broadband connectivity globally. Bharti Global (Bharti Enterprises) holds a significant stake in OneWeb, making this mission notable for the India-UK commercial space connection.

For UPSC, the key concept tested here is India's commercial space launch capability: ISRO's transition from a purely government scientific agency to a provider of commercial launch services via NSIL. This mission also sits at the intersection of space technology, the Outer Space Treaty framework, and India's evolving space policy — all high-frequency UPSC themes. LVM3's payload capacity, its propulsion stages, and NSIL's role are the static facts most likely to be blanked out in a question.
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