31 CFR 802.227: Military installation.

The term military installation means any site that meets the following category descriptions, as identified in the list at appendix A to this part:

(a) Active Air Force ballistic missile fields;

(b) Air Force bases administering active Air Force ballistic missile fields;

(c) Air Force bases and major annexes thereof containing a unit from the Air Force Air Combat Command;

(d) Air Force bases and major annexes thereof containing an Air Force research laboratory or test unit and associated sites;

(e) Air Force bases and major annexes thereof, and Space Force bases and major annexes thereof containing a unit of the North American Aerospace Defense Command and its regions;

(f) Air Force bases, Air Force stations, Space Force bases, Space Force stations, and major annexes thereof, containing satellite, telemetry, tracking, or commanding systems;

(g) Army bases, ammunition plants, centers of excellence, major depots and arsenals, military terminals, and research laboratories and major annexes thereof;

(h) Army combat training centers located in the continental United States;

(i) Headquarters of the Office of the Secretary of Defense and Defense Advanced Research Projects Agency and major offices and annexes thereof;

(j) Long range radar sites and major annexes thereof in any of the following states: Alaska, North Dakota, California, or Massachusetts;

(k) Major range and test facility base activities as defined in 10 U.S.C. 196;

(l) Marine Corps bases and air stations and major annexes thereof, excluding detachments and recruit depots;

(m) Military ranges as defined in 10 U.S.C. 101 (f)(1), or joint forces training centers;

(n) Naval bases and air stations including major support activities and annexes;

(o) Naval surface, air, and undersea warfare centers and research laboratories and major annexes thereof; and

(p) Navy off-shore range complexes and off-shore operating areas.