IGF::OT::IGF RTAPS 2 TASK ORDER FOR DOCUMENTATION AND SOFTWARE DELIVERY IN SUPPORT OF THE SCAN TESTBED DELAY TOLERANT NETWORKING (DTN) DEVELOPMENT EFFORT. THE SPACE COMMUNICATION AND NAVIGATION (SCAN) TESTBED PROJECT IS A COMMUNICATIONS, NETWORKING, AND NAVIGATION TECHNOLOGY DEMONSTRATION PROJECT FUNDED BY THE SCAN PROGRAM WITHIN THE HUMAN EXPLORATION AND OPERATIONS MISSION DIRECTORATE (HEOMD) AT NASA HEADQUARTERS (HQ). THE PROJECT INCLUDES BOTH A FLIGHT SYSTEM, ALSO REFERRED TO AS THE SCAN TESTBED, AND A GROUND SYSTEM KNOWN AS THE GROUND INTEGRATION UNIT (GIU). THE FLIGHT SYSTEM IS INSTALLED IN THE INBOARD, RAM, AND ZENITH LOCATION ON THE EXPRESS LOGISTICS CARRIER (ELC-3) LOCATED ON THE EXTERIOR TRUSS OF THE INTERNATIONAL SPACE STATION. THE FLIGHT SYSTEM IS REMOTELY OPERATED FROM THE SCAN TESTBED CONTROL CENTER (STCC) LOCATED IN THE TELESCIENCE SUPPORT CENTER (TSC) AT GLENN RESEARCH CENTER (GRC).