Mention salient features of ‘Mission Drishti’. Discuss the imaging techniques used in the satellite launched on 3rd May 2026. Why is it being considered the world’s first satellite of its kind?

Mission Drishti, developed by Bengaluru-based spacetech start-up GalaxEye, represents a new approach to Earth observation by combining the complementary strengths of optical & Synthetic Aperture Radar (SAR) imaging on a single satellite. Launched aboard a SpaceX Falcon 9 in 2026, it was designed as the world’s first commercial OptoSAR satellite.

Salient Features of Mission Drishti

1. Private-Sector Milestone: Developed by GalaxEye, it is about 190 kg, making it India’s largest privately built Earth-observation satellite at launch.
2. OptoSAR Architecture: IntegratesSAR & Multi-Spectral Imaging (MSI) sensors on one platform, enabling simultaneous observation using complementary imaging techniques.
3. High-Resolution Imaging: Designed for approximately 1.2–3.6 m spatial resolution, with fused products around1.8 m; revisit frequency is about4 days.
4. All-Weather, Day-Night Capability: SAR can image through clouds & darkness, while optical/MSI provides clearer and more intuitive visual information.
5. Onboard Processing: Incorporates AI-based edge computing to process satellite data closer to the point of acquisition, potentially reducing the time between imaging and actionable information.
6. Dual-Use Applications: Designed for border surveillance, disaster management, agriculture, infrastructure monitoring & maritime observation, giving it both commercial and strategic relevance.

Imaging Techniques Used

1. Synthetic Aperture Radar (SAR): UsesX-band radar signals to actively illuminate the Earth's surface; unlike optical imaging, SAR can operate at night and through cloud cover, making it suitable for all weather observation.
2. Multi-Spectral Imaging (MSI): Captures reflected sunlight across multiple spectral bands, including RGB, Panchromatic, Near-Infrared, Coastal Blue and Red Edge; useful for vegetation health, land-use and environmental assessment.
3. OptoSAR Data Fusion: SAR and MSI observations of thesame location in the same pass are co-located and aligned; this combines SAR's reliability with optical imagery's clarity, reducing dependence on separate satellites and subsequent data matching.

World’s First of its Kind Features of Drishti 

1. First Commercial SAR + MSI Platform: Drishti is described by GalaxEye as the world's first commercial satellite to carry both SAR and MSI on a single platform, rather than relying on separate optical and radar satellites.
2. Simultaneous Complementary Imaging: The key innovation is not merely having two sensors, but co-acquiring aligned optical & SAR data of the same area, enabling a unified view of both visual features and radar-derived information.
3. Overcoming the Optical–SAR Trade-off: Optical satellites offer intuitive images but are constrained by clouds & darkness; SAR provides all weather, day-night capability but is less visually intuitive. Drishti seeks to combine these advantages in one system.
4. Strategic Significance: Such fused, analysis-ready imagery can improve rapid disaster assessment, crop monitoring, infrastructure surveillance & border awareness, reducing the time and effort required to integrate data from different platforms.

“The future belongs to those who can see beyond the visible.” Mission Drishti marks a shift towards multi-sensor, AI-enabled Earth observation. Strengthening India’s private space ecosystem, sensor fusion and satellite analytics can convert such innovation into strategic and developmental gains.