Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Built Complexes and Districts (hierarchy name)
5. complexes (buildings and sites)
6. [complexes by function]
7. sites (locations)

Narrower term/s

• nuclear test sites

Anotations

Scope note:

Locations where, usually very destructive, weapons are exploded distant from an observation point; also, where scientific field explorations or investigations are conducted, as in archaeology or geology. For complexes where weapons are tested under close scrutiny, use "proving grounds."