Thankyou for your service. I am not sure how much experience you have running a business so I would suggest contacting SCORE and setting up an appointment about actually getting started. If possible ask about any mentoring programs available for your specific career. SCORE represents the orinigal been there and done that without squandering a lot of time and money. The service is Free and the investment of your time and effort should put you well on your way to a successful future career.