History: Below is a listing of the Revisions and Changes made to this UFGS.
| KEY | PREPARING ACTIVITY (PA) | A Army | N Navy | F Air Force | S NASA [ARCHIVED] |
|---|---|---|---|---|---|
| ACTION | N New | R Revision | C Change | D Deletion |
| Release | PA | Date | Action | Change # | Nature of Change or Revision |
|---|---|---|---|---|---|
| May-2022 | A | May-2020 | C | 1 | Incorporated CCR 4973 |
| May-2020 | A | May-2020 | R | Complete review and update including section title change from RADIO AND PUBLIC ADDRESS SYSTEMS to PUBLIC ADDRESS SYSTEMS. | |
| Apr-2006 | A | Apr-2006 | R | To conform with CSI MasterFormat, replacing without change UFGS-16770 (November 2003) |
