New Delhi:
In a historic event marked by precision and technological prowess, the Indian Space Research Organisation (ISRO) launched its 100th mission on January 29, 2025, from the Satish Dhawan Space Centre in Sriharikota, Andhra Pradesh. This significant achievement was highlighted by the successful deployment of the NVS-02 navigation satellite using the Geosynchronous Satellite Launch Vehicle (GSLV-F15), which lifted off at 6:23 AM.
This mission is particularly noteworthy as it is the first under the leadership of ISRO’s new Chairman, Dr. V Narayanan, who assumed office on January 13, 2025. Dr. Narayanan, a distinguished scientist and expert in rocket and spacecraft propulsion, praised the team’s efforts, stating, “The satellite was precisely injected into the required Geosynchronous Transfer Orbit. This mission is the 100th launch, which is a very significant milestone.”
The NVS-02 satellite is part of India’s Navigation with Indian Constellation (NavIC) system, designed to provide accurate position, velocity, and timing services within India and up to 1,500 kilometers beyond its borders. NavIC offers two services: the Standard Positioning Service (SPS) and the Restricted Service (RS), with the SPS delivering a position accuracy of better than 20 meters and timing accuracy within 40 nanoseconds.
The GSLV-F15, which carried the NVS-02 satellite, is the 17th flight of India’s GSLV and the 11th using an indigenous cryogenic stage. This launch marks the 8th operational flight of the GSLV with an indigenous cryogenic stage and underscores India’s mastery of cryogenic engine technology, a feat achieved despite initial technological denials from Russia and the USA.
The NavIC system was conceived following India’s experience during the 1999 Kargil conflict, where access to high-quality GPS data was denied. This led to the development of an indigenous navigation system, a promise made by then Prime Minister Atal Bihari Vajpayee to the country’s strategic community.
This 100th launch is a testament to ISRO’s growth and technological advancements since its first major rocket launch, the Satellite Launch Vehicle (SLV), on August 10, 1979. The successful mission reflects ISRO’s commitment to reducing India’s reliance on foreign GPS services and enhancing its capabilities in space technology.
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