Richland County MRC The Medical Reserve Corps (MRC) is a national network of local volunteer units who engage their local communities to strengthen public health, reduce vulnerability, build resilience, and improve preparedness, response, and recovery capabilities. Medical Reserve Corps Sign-Up Thank You for your interest in learning more about the Richland County Medical Reserve Corps.Please fill in your contact information below so that we can send you more information on how to get started with the MRC. Name*FirstLast Email* Phone-Area Code* Area Code – Phone Number Do you hold a Professional License?*YesNo If Yes, Please list them here or if you have a question please use this spaceSubmitReset