The Interplanetary Network Progress Report, published by the Jet Propulsion Laboratory, reports principally on activities of the Interplanetary Network Directorate (IND) in planning, research, technology development, implementation, and operations in the areas of network, communications, navigation, information systems, Deep Space Network (DSN) science, mission support, communication standards, protocols, and spectrum engineering. Tasks funded by the JPL Director's Research Discretionary Fund and the Caltech President's Fund that involve the IND are also included.