ISRO chairman Dr V Narayanan has expressed pride and relief after India's space agency, the Indian Space Research Organisation (ISRO), successfully launched the $1.3 billion NASA-ISRO Synthetic Aperture Radar (NISAR) satellite aboard the Geosynchronous Satellite Launch Vehicle (GSLV F-16) rocket from Sriharikota on Wednesday. This mission marked a historic collaboration between two space-faring nations and showcases India's growing prowess in high-precision space technology.