A direct reporting unit (DRU) has a specialized and restricted mission, and is directly subordinate to the Chief of Staff, United States Air Force or to his representative on the Air Staff. Below are the lineages of the currently active direct reporting units of the USAF.

Field Operating Agencies
A subdivision of the Air Force, directly subordinate to a HQ USAF functional manager. Field operating agencies (FOAs) perform field activities beyond the scope of any of the major commands. Their activities are specialized or associated with an Air Force wide mission. Below are presented the lineages of the currently active FOAs. If you wish to go directly to a specific FOA, click on the desired link.

For definitions of lineage terms used in these entries, see the Glossary in the Guide to USAF Lineage and Honors.