Which office is responsible for strategic deterrence and integrating nuclear forces?

The strategic deterrence and nuclear integration office plays a pivotal role in overseeing and coordinating the nation's nuclear forces, ensuring that they are effectively integrated within broader military operations. This office is tasked with developing policies, plans, and strategies to maintain a credible deterrent posture, essential for national security. Its responsibilities include the oversight of nuclear operations, maintenance of the nuclear stockpile, and management of related strategic plans. Through its efforts, the office aims to ensure that nuclear capabilities are ready and aligned with national defense strategies, which is critical for deterring potential adversaries and reassuring allies.

The other options relate to different aspects of military operations and support functions, but none focus specifically on the integration and strategic deterrence of nuclear forces, which is the core mandate of the strategic deterrence and nuclear integration office. This highlights the unique and specialized nature of the responsibilities held by this office in the context of national defense and security.