Data current as of Sept. 30, 2021. Figures reflect personnel paid for by federal appropriated funding. Source: Department of Defense, Defense Manpower Data Center.

Congressional leaders on Sunday released the text of the national defense and security package, the National Defense Authorization Act (NDAA). The budget for the Department of Defense is $8 ...

Artificial intelligence will revolutionize how data is processed and how wars are fought, officials have said. The U.S. Government Accountability Office, a congressional watchdog, published its ...

President Harry S. Truman signing the National Security Act Amendments of 1949, which converted the National Military Establishment into a new Department of Defense. (National Archives) During a White ...

When workers at the Pentagon quietly removed “Department of Defense” plaques and replaced them with new bronze signs reading “Department of War,” the reaction was immediate. Photos of Defense ...