Theory - Observation, Planning & Positioning OPP-01 OPP-02 OPP-03 OPP-04 OPP-05 OPP-06 OPP-07 OPP-08 OPP-09 OPP-10 OPP-11 OPP-12 OPP-13 OPP-14 OPP-15A IPSGA - Forward Observation OPP-15B Using IPSGA - Position Theory OPP End