\label{fig:milestones} CDRS and _Tremor_ project milestones, organized chronologically and labeled with each corresponding component.  (Full table detail: https://docs.google.com/spreadsheets/d/1YpLDlY7UHZcVqtOHWFk8vUi3o7EpUd8ZMScqABi8LlE/edit#gid=1171552585)