THIS WORK WILL IMPROVE UPON CURRENT STATE-OF-THE- ART ENTRY GUIDANCE METHODS BY DEVELOPING ALGORITHMS THAN CAN:.- REASON ABOUT FULL 6-DOF FLIGHT DYNAMICS.- GENERALIZE TO ANY ENTRY VEHICLE CONFIGURATION.- RIGOROUSLY ACCOUNT FOR UNCERTAINTIES AND DISTURBANCES.- PROVIDE CLOSED-LOOP PERFORMANCE GUARANTEES.- HAVE MINIMAL ONLINE COMPUTATIONAL REQUIREMENTS