Falcon 9 Block 5 | KOMPSAT-7A

### Falcon 9's KOMPSAT-7A Mission: Advancing Earth Observation from Space

On November 30, 2026, SpaceX's Falcon 9 rocket is set to lift off, carrying the KOMPSAT-7A satellite into orbit. This mission represents a key collaboration between South Korea's space agency and the American launch provider, building on a lineage of Earth observation satellites designed to deliver critical data for national and institutional purposes. As the successor to KOMPSAT-3A, KOMPSAT-7A aims to enhance high-resolution imaging capabilities, underscoring the growing role of commercial rockets in international space endeavors.

At the heart of the mission are the objectives centered on Earth observation. KOMPSAT-7 and its variant, 7A, are engineered to provide sub-meter resolution imagery, capturing detailed visuals across optical and infrared spectra. This payload is tailored to meet South Korea's governmental needs, including disaster monitoring, urban planning, agriculture assessment, and environmental surveillance. With advanced sensors capable of panchromatic imaging at resolutions as fine as 0.3 meters, the satellite can detect subtle changes on the Earth's surface, such as deforestation patterns or infrastructure damage post-natural disasters. Its infrared capabilities allow for nighttime and all-weather observations, making it invaluable for applications like border security and climate change tracking. The satellite's design incorporates agile pointing systems for rapid target acquisition, enabling it to cover vast areas efficiently while maintaining data accuracy. This mission not only bolsters South Korea's self-reliance in satellite technology but also contributes to global datasets shared through international partnerships.

The Falcon 9 Block 5, the rocket powering this launch, exemplifies reusable launch vehicle innovation. Standing at 70 meters tall with a diameter of 3.7 meters, it features two stages: the first powered by nine Merlin 1D engines generating over 7.6 million Newtons of thrust at sea level, and the second by a single vacuum-optimized Merlin engine. The Block 5 variant includes upgrades like enhanced thermal protection, stronger landing legs, and improved engine performance for reusability. Capable of delivering up to 22,800 kilograms to low Earth orbit in expendable mode, it supports a wide range of payloads, from satellites to crewed capsules. Its grid fins and cold gas thrusters enable precise landings, either on autonomous drone ships or ground pads, reducing costs and turnaround times significantly.

Falcon 9's performance history is a testament to its reliability. Since