HAKUCHO, also known as CORSA-b, was a satellite mission developed by the National Space Development Agency of Japan (NASDA), which later became part of the Japan Aerospace Exploration Agency (JAXA). HAKUCHO (CORSA-b) was primarily designed for Earth observation, with a focus on collecting data related to land cover, vegetation, and environmental changes. The mission aimed to study and monitor various aspects of the Earth's surface to support environmental management, resource assessment, and disaster monitoring efforts.