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United States Space Command (USSPACECOM or SPACECOM) is a unified combatant command of the United States Department of Defense, responsible for military operations in outer space, specifically all operations 100 kilometers (62 miles) and greater above mean sea level.
Army Space Command continued to exist as a specialized sub-command within Army Space and Strategic Defense Command. On 1 May 1995, Army Space Command's Military Satellite Communications Directorate, responsible for operating the Defense Satellite Communications System payload became the 1st Satellite Control Battalion.
[9] [10] Department of Defense changes in command structure due to the Goldwater–Nichols Act of 1986, led to a single command responsible for all strategic nuclear weapons. As a result, USSTRATCOM's principal mission was to deter military attack, and if deterrence failed, to counter with nuclear weapons.
The chain of command leads from the president (as commander-in-chief) through the secretary of defense down to the newest recruits. [2] [3] The United States Armed Forces are organized through the United States Department of Defense, which oversees a complex structure of joint command and control functions with many units reporting to various commanding officers.
The Pentagon, headquarters of the United States Department of Defense.. The United States Department of Defense (DoD) has a complex organizational structure.It includes the Army, Navy, the Marine Corps, Air Force, Space Force, the Unified combatant commands, U.S. elements of multinational commands (such as NATO and NORAD), as well as non-combat agencies such as the Defense Intelligence Agency ...
The Space Force has no command echelon equivalent of the U.S. Air Force′s numbered air forces, [25] so the next command echelon below field commands is the delta, a single level of command which combines the wing and group command echelons found in the U.S. Air Force. [25]
In its 2020 Defense Space Strategy, the Pentagon said China and Russia presented the greatest strategic threat in space due to their aggressive development of counterspace abilities, and their ...
This is a partial list of Agencies under the United States Department of Defense (DoD) which was formerly and shortly known as the National Military Establishment. Its main responsibilities are to control the Armed Forces of the United States.