Surveys -- Fundamental Physics, Space, Missions and Technologies -- General Theory of Relativity: Will It Survive the Next Decade? -- Is the Physics Within the Solar System Really Understood? -- Theory -- Propagation of Light in the Gravitational Field of Binary Systems to Quadratic Order in Newton's Gravitational Constant -- On the Radar Method in General-Relativistic Spacetimes -- A Universal Tool for Determining the Time Delay and the Frequency Shift of Light: Synge's World function -- Unified Formula for Comparison of Clock Rates and Its Applications -- Gravity Tests and the Pioneer Anomaly -- Laser Ranging Delay in the Bimetric Theory of Gravity -- Technologies -- Measurement of the Shapiro Time Delay Between Drag-Free Spacecraft -- Laser Transponders for High-Accuracy Interplanetary Laser Ranging and Time Transfer -- Unequal-Arm Interferometry and Ranging in Space -- Technology for Precision Gravity Measurements -- Clocks and Accelerometers for Space Tests of Fundamental Physics -- Atom Interferometric Inertial Sensors for Space Applications -- Drag-Free Satellite Control -- Drag-Free Control Design with Cubic Test Masses -- Solar Sail Propulsion: An Enabling Technology for Fundamental Physics Missions -- Missions and Projects -- Testing Relativity with Space Astrometry Missions -- LISA, the Laser Interferometer Space Antenna, Requires the Ultimate in Lasers, Clocks, and Drag-Free Control -- Lunar Laser Ranging Contributions to Relativity and Geodesy -- Science, Technology, and Mission Design for the Laser Astrometric Test of Relativity -- LATOR's Measured Science Parameters and Mission Configuration -- OPTIS: High-Precision Tests of Special and General Relativity in Space -- Testing Relativistic Gravity to One Part per Billion -- Exploring the Pioneer Anomaly: Concept Considerations for a Deep-Space Gravity Probe Based on Laser-Controlled Free-Flying Reference Masses -- Pioneer Anomaly: What Can We Learn from LISA?.