This report documents the results of Task B on the design, procurement, fabrication assembly and test of the Electrodril Deep Drilling System. The report documents key design tradeoffs and delineates the technical approach established for development and verification test. Details of both component and subsystem testing are presented together with the results of the Systems Verification Test program. Of particular interest are the results of a 100 hour bit shaft test and the extensive test of a static inverter-motor combination. The report presents the conclusion that the Systems Verification Test of the Electrodril Deep Drilling System was successful and the recommendation that the Task C Operational Drilling Demonstration be initiated.