NAIROBI, April 14 (Reuters) - Kenya launched its first operational earth observation satellite on Saturday onboard a SpaceX rocket from the United States, a live feed from Elon Musk's rocket company showed. The satellite, developed by nine Kenyan engineers, will collect agricultural and environmental data, including on floods, drought and wildfires, that authorities plan to use for disaster management and to combat food insecurity. See here for a complete list of exchanges and delays