Space Operations: Innovations, Inventions, and Discoveries is a collection of materials presented at the 13th SpaceOps Conference, held in 2014 in Pasadena, California and organized by Caltech’s Jet Propulsion Laboratory. From numerous papers presented at the event, those selected for this volume represent a cross section of four main subject areas:• Breakthrough Technologies for Space Operations• Mission Design and Concepts• Ground System Advances for Efficient and Secure Operations• Mission OperationsAll of the selected papers exemplify the SpaceOps organization’s goal of presenting and discussing the current state of space operations and the most recent developments in the field.