AMS Transport Service Approved Agency Specific Schemas Candidate Association Kinds Approved Bundle Protocol Compressed Bundle Header Encoding Node Numbers Approved Bundle Protocol Compressed Bundle Header Encoding Service Numbers Approved CCSDS ADID Candidate CCSDS Areas Candidate        CCSDS Working Groups Candidate 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 CCSDS URN Namespace Candidate CSS OID Subtree Approved Checksum Identifiers Candidate Communications Planning Information Association Kinds Candidate Contact Affiliations Approved Contacts Approved DDOR 2014 Radio Source Catalog Candidate Data Archive Ingest XML Approved Event Types Approved Functional Resources Approved Licklider Transmission Protocol Client Service Identifiers Approved Licklider Transmission Protocol Engine Identifiers Approved MAL Encoding Ids Candidate MAL Space Packet Transport Binding Version Number Candidate MAL TCP/IP Transport Binding Version Number Candidate MAL Transport Binding URI Scheme Name Candidate MAL ZMTP Transport Binding Version Number Candidate Mission Operations Service XML Approved Organizations Approved RFID TAG-Encoding Object-ID Candidate RFID Tag-Encoding Database-ID Candidate References Candidate Roles Approved        Contact Roles Approved        Organization Roles Approved SCPS-TP Extended Capability Binding Space Identifiers Approved Service Management Entity (Message) Types Candidate 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 Space Packet Protocol Secondary Header Format Document Candidate Spacecraft Candidate Spacecraft Onboard Interface Services Electronic Data Sheets and Dictionary of Terms Candidate TGFT Package Types Candidate USLP Protocol Identifier (UPID) Candidate XML Telemetric and Command Exchange(XTCE) NASA Government Satellite(GovSat) Tailoring Guide Candidate XML Telemetric and Command Exchange(XTCE) Tailoring Guide Candidate