FUYO-1, also known as JERS-1 (Japanese Earth Resources Satellite-1), was a Japanese satellite developed and operated by the National Space Development Agency of Japan (NASDA), which later became part of JAXA (Japan Aerospace Exploration Agency). The primary purpose of FUYO-1 (JERS-1) was to observe and monitor Earth's resources, including forests, agriculture, coastal zones, and urban areas. The mission aimed to gather data for various applications such as environmental monitoring, land use management, and disaster monitoring.