Welcome to the Beaverwork Summer Institute (BWSI) Unamnned Aerial System Synthetic Aperture Radar (UAS-SAR) online course! We're looking forward to helping you all learn about radar and its applications, specifically that of SAR. Please be sure to read the "Introduction" section as it has a number of necessary and recommended steps and information including how to sign up for our corresponding Piazza forum where all questions related to this course should be asked. Again, welcome to the course and I hope you find it engaging. Thank you. --