- restricted operations zone
- Airspace reserved for specific activities in which the operations of one or more airspace users is restricted. Also called ROZ.
(JP 3-52)
Source:
DOD Dictionary of Military and Associated Terms
March 2017 - pages 202
https://www.tradoc.army.mil/wp-content/uploads/2020/10/AD1029823-DOD-Dictionary-of-Military-and-Associated-Terms-2017.pdf