The Department of Defense is an executive branch department of the federal government responsible for providing the military forces needed to deter war and protect the security of the United States.
Established on September 18, 1947, after the end of World War II.
Originally called the National Military Establishment (NME).
The NME changed its name to the Department of Defense on August 10, 1949.
It is currently headed by the Secretary of Defense, who is a civilian and a member of the President's cabinet.
It is also the largest employer in the world, with more than 1.3 million active-duty service members and over 732,000 civilian personnel.
The Department of Homeland Security is a federal agency responsible for protecting the United States from terrorism, natural disasters, and other threats.
The Central Intelligence Agency is an independent agency responsible for providing intelligence to senior policymakers in the United States.
The National Security Agency is a national-level intelligence agency of the United States Department of Defense responsible for global monitoring, collection, and processing of information and data for foreign and domestic intelligence and counterintelligence purposes.
The Department of Defense owns and operates a vast fleet of aircraft, including fighter jets, transport planes, and helicopters, to support military operations.
The Department of Defense is responsible for the development and maintenance of a wide range of missile and weapons systems, including intercontinental ballistic missiles (ICBMs), cruise missiles, and guided bombs.
The Department of Defense is responsible for the development and maintenance of secure communication systems, including satellite networks, for military operations.
The Department of Defense is responsible for providing the military forces needed to deter war and protect the security of the United States.
The head of the Department of Defense is the Secretary of Defense, who is a member of the President's cabinet.
The Department of Defense is the largest employer in the world, with more than 1.3 million active-duty service members and over 732,000 civilian personnel.
The Department of Defense owns and operates a vast fleet of aircraft, including fighter jets, transport planes, and helicopters, to support military operations.
The Department of Defense is responsible for the development and maintenance of a wide range of missile and weapon systems, including intercontinental ballistic missiles (ICBMs), cruise missiles, and guided bombs.