Naval Aerospace Medical Research Laboratory NAMRL-1398 THE DEVELOPMENT AND INITIAL VALIDATION OF THE UNMANNED AERIAL VEHICLE(UAV)EXTERNAL PILOT SELECTION SYSTEM S.Biggerstaff,D.J.Blower,C.A.Portman,and A.D.Chapman Naval Aerospace Medical Research Laboratory 51 Hovey Road Pensacola,Florida 32508-1046 Approved for public release;distribution unlimited.