| Perm ID | Sage ID | JSS ID | Unit | Location | Early Equip. |
Final Equip. |
Oper. Date |
Inact. Date |
Notes |
|---|---|---|---|---|---|---|---|---|---|
| TM-177 | Z-177 | 706 | Dickinson AFS, ND | FPS-3; FPS-66; FPS-6A/-90 (2) | FPS-66; FPS-90 (2) | 1959 | 25 June 1965 | Plans for an AN/FPS-28 FD search radar were cancelled. | |
| TM-177A | Carson, ND ** | (FPS-18 planned) | Gap-Filler Annex. ** Planned but not built. | ||||||
| TM-177A / M-98A | Z-98A | Glendive, MT | FPS-18 | Sep-58 | Dec-60 | Gap-Filler Annex. Located 5 miles SE of Glendive, MT, with access through Makoshika State Park. | |||
| TM-177B / P-28E | Z-177B / Z-28E | Alexander, ND | FPS-18 | Dec-60 | Dec-67 | Gap-Filler Annex. Per the USACE FUDS report, this GFA was reassigned to Minot AFS (Z-28) after Dickinson AFS (Z-177) closed in 1965. The GF site is now home to the Watford City JSS (ARSR-4) LRR site (Z-300/J-76). | |||
| TM-177C | Z-177C | McIntosh, SD | FPS-18 | Feb-60 | Dec-60 | Gap-Filler Annex. |
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