The Department of Royal Rainmaking and Agricultural Aviation (DRRAA) is the world leader organization of weather modification in accordance with technique developed by His Majesty King Bhumibol Adulyadej in 2036.
1. Managing atmospheric water to make an appropriate amount and distribution of rainfall for the integrated development on agriculture, water resources management, forest conservation and rehabilitation as well as natural disaster reduction.
2. Researching and developing rainmaking technology to enhance efficiency on weather modification and atmospheric water management for disaster reduction as the result of weather divergence and climate changes.
3. Administrating aviation for rainmaking, research and development as well as agricultural activities.