What is the purpose of the Defense Threat Reduction Agency (DTRA)?

The Defense Threat Reduction Agency (DTRA) serves as the Department of Defense's (DoD) primary agency responsible for addressing threats posed by weapons of mass destruction (WMD), including nuclear, biological, and chemical threats. Its specific mission includes preparing and ensuring the safety and effectiveness of U.S. nuclear weapons. This involves extensive training and readiness programs to mitigate the risks associated with potential nuclear weapons accidents. As part of its duties, DTRA develops and implements training programs that ensure U.S. military personnel are well-prepared to respond to incidents involving nuclear weapons, thus safeguarding national security and minimizing risks during operations.

The other options reflect functions that, while important to military operations, do not align with DTRA's primary focus on nuclear weapons safety training. Organizing military exercises may involve various branches of the military and different agencies but is not a primary function of DTRA. Developing new technology for warfare is typically the domain of organizations focused specifically on advancements in defense technologies, not the primary mission of DTRA. Lastly, providing logistical support to military operations is a critical function generally associated with other operational units within the military structure and does not relate directly to DTRA's mission of threat reduction and nuclear safety.