AMS Transport Service Approved Association Kinds Approved Bundle Protocol Compressed Bundle Header Encoding Node Numbers Approved Bundle Protocol Compressed Bundle Header Encoding Service Numbers Approved CCSDS Glossary Approved        CCSDS Abbreviations Approved        CCSDS Terms Approved CCSDS Navigation Standards Registries Approved        Atmosphere Models Approved        Attitude and Spacecraft Conventions Approved        Celestial Body Reference Frames Approved        Conjunction Data Message COLLISION_PROBABILITY_METHOD Approved        Conjunction Data Message/Space Object CATALOG_NAME Approved        Gravity Models Approved        Navigation Data Messages XML Schema Approved              Navigation Data Messages XML Schema (Qualified) Approved              Navigation Data Messages XML Schema (Unqualified) Approved        Object Types Approved        Operational Status Approved        Orbit Averaging Approved        Orbit Categories Approved        Orbit Centers Approved        Orbit-Relative Reference Frames Approved        Orbital Covariance Matrix Types Approved        Orbital Elements Approved        Pointing Request Message Approved        Spacecraft Body Reference Frames Approved        Time Systems Approved CSS OID Subtree Approved Contact Affiliations Approved Contacts Approved Data Archive Ingest XML Approved Event Types Approved Functional Resources Approved Licklider Transmission Protocol Client Service Identifiers Approved Licklider Transmission Protocol Engine Identifiers Approved Mission Operations Service XML Approved Organizations Approved Roles Approved        Contact Roles Approved        Organization Roles Approved SCPS-TP Extended Capability Binding Space Identifiers Approved Service Management XML Schemas Approved Service Sites and Apertures Approved Space Link Identifiers Registries Approved        CCSDS File Delivery Protocol (CFDP) Entity Identifier Approved        CLCW Version Number Approved        Extended Protocol Identifier for Encapsulation Packet Protocol Approved        Frame Secondary Header Version Number Approved        Internet Protocol Extension Header Approved        Multiplexer Access Point Identifier (MAP ID) Approved        Packet Version Number Approved        Protocol Identifier for Encapsulation Packet Protocol Approved        Proximity-1 Port Identifier Approved        SCPS-NP Domain Identifier (D-ID) Approved        SCPS-NP End System Identifier (ES-ID) Approved        SCPS-NP Path Identifier (P-ID) Approved        SCPS-NP Transport Protocol Identifier (TP-ID) Approved        SCPS-TP Connection Identifier Approved        Space Packet Protocol Application Process Identifier(APID) Approved        Spacecraft Identifier Approved        Transfer Frame Version Number (TFVN) Approved        Virtual Channel Identifier (VCID) Approved