The US Department of Defense was originally called the US War Department.
The president
The US did not have a "Department of Defense" during the Great Depression.The US Army was in the "War Department" and the US Navy and Marines were in the "Department of the Navy". These two departments were continually in conflict over resources, budget allocations, and weapons development.A single "Department of Defense" was not created until 1947, when the US Air Force was officially separated from the US Army.
James V. Forrestal was the first Secretary of Defense. Forrestal was previously the Secretary of the Navy until the Department of Defense came in to being when president Truman signed the National Security Act of 1947. On September 18, 1947, the Department of War was divided into the Department of the Army and the Department of the Air Force, both of which joined the Department of the Navy as part of the new National Military Establishment (NME)--changed to Department of Defense in 1949, in part because the acronmy sounds like the word "enemy."
to keep us safe
The US Department of Defense is part of the Executive branch, answerable directly to the President of the United States.
the internet.
ARPANET
George W. Bush created the US department of the interior.
The US Department of Defense was originally called the US War Department.
The Department of Defense is in charge of the U.S. military.
The president
U.S. Department of Defense
The Secretary of Defense is the major department head with authority over the US military. The Secretary of Defense is a civilian appointed by the President and is responsible for the overall management and direction of the Department of Defense, which includes the branches of the military.
GPS was created by the Pentagon and is currently operated by the US Department of Defense.
The US did not have a "Department of Defense" during the Great Depression.The US Army was in the "War Department" and the US Navy and Marines were in the "Department of the Navy". These two departments were continually in conflict over resources, budget allocations, and weapons development.A single "Department of Defense" was not created until 1947, when the US Air Force was officially separated from the US Army.
The Department of Defense reports to him. He chooses the Secretary of Defense. As such he is responsible for carrying out any laws pertaining to defense. He also makes recommendations to Congress about defense needs and their cost and what funding is needed to keep an adequate defense. He is also commander-in-chief of all the US military forces if military operations are made.