Fourth Estate entities are all organizational entities in DoD that are not in the military departments, IC agencies, or combatant commands. These include the defense agencies and DoD field activities.
Together they consumed 18% of the Department of Defense budget in 2018.[2]
Footnotes
^The first member of the Fourth Estate, created in 1960[2]
References
^DoDI 7730.64(PDF). Department of Defense. 11 December 2004. p. 12. Retrieved 3 August 2023.