WE PROPOSE THREE TASKS THAT EMPLOY NEW EARTH-BASED RADAR IMAGING AND POLARIMETRY DATA IN CONJUNCTION WITH OTHER RELEVANT ORBITAL REMOTE SENSING INFORMATION TO ADDRESS THE VOLCANIC AND IMPACT HISTORY OF THE MOON. WITH ITS SENSITIVITY TO CM-TO-METER-SCALE ROUGHNESS SURFACE AND BURIED ROCK POPULATION COMPOSITIONAL ASPECTS SUCH AS ILMENITE ABUNDANCE AND SUBSTANTIAL PENETRATION DEPTH POLARIMETRIC RADAR IMAGING OFTEN REVEALS ASPECTS OF LUNAR GEOLOGY NOT EVIDENT IN UV-VIS SPECTROSCOPY OR EVEN THE HIGHEST-RESOLUTION PHOTOS. THE TASKS DEFINED HERE ADDRESS THE QUESTIONS: HOW VARIABLE IS MARE REGOLITH ROCK ABUNDANCE AND SUBSTRATE ROUGHNESS AND WHAT DO THE SUBSTRATE ROUGHNESS VARIATIONS INDICATE ABOUT THE DIVERSITY OF BASALTIC ERUPTION STYLES ON THE MOON (TASK 1)? WHAT ROLE DOES IMPACT MELT PLAY IN PROVIDING BLOCKY MARE REGOLITH LAYERS (TASK 2) AND LARGE-SCALE BASIN-DERIVED RESURFACING IN THE HIGHLANDS (TASK 3B)? WHAT CAUSES ANOMALOUS REMOTE SENSING SIGNATURES FOR SOME MARE DEPOSITS AND DO THESE LOCALES REPRESENT AS-YET UNSAMPLED TYPES OF BASALT (TASK 3A)? AS A BY-PRODUCT OF THESE FOCUSED SCIENTIFIC STUDIES WE ALSO BUILD UP A GREATER UNDERSTANDING OF WHAT APPROACHES BEST REVEAL SUBSURFACE REGOLITH PROPERTIES FOR LANDING SITE PLANNING.