The Defense Threat Reduction Agency (DTRA) contracting activity proposes to procure without using full and open competition, in accordance with Revolutionary Federal Acquisition Regulation (FAR) Overh... The Defense Threat Reduction Agency (DTRA) contracting activity proposes to procure without using full and open competition, in accordance with Revolutionary Federal Acquisition Regulation (FAR) Overhaul 6.103-1, three (3) Golden Engineering, XRS3MD Pulsed Portable X-ray Systems.