OSD (Office of the Secretary of Defense)

The Office of the Secretary of Defense (OSD) is the department within the U.S. government responsible for overseeing the Department of Defense (DoD), which manages the country’s military forces. The OSD provides high-level guidance, policy, and budget decisions, coordinating efforts across all branches of the military. It is led by the Secretary of Defense, who is a key advisor to the President on military and national security issues. Essentially, the OSD ensures that the military functions effectively, aligns resources with national priorities, and maintains readiness to protect the nation.