The SOSTAC Marketing Planning Model is a marketing planning model that is used to plan and execute marketing strategies. It is designed to be flexible and scalable so that it can be applied in different industries, countries, and regions. The SOSTAC Marketing Planning Model is a marketing planning model that provides a strategic approach for the implementation of marketing plans and strategies. The model was developed by Dr. Ira Kagan in the 1960s and has since been used by various organizations such as the US military, NASA, IBM, McDonald's Corporation, and many others.