| Name | Constellation TacSat 4 (JWS 1, CommX) |
| ID | tacsat-4 |
| Country | USA |
| Type | Technology, communication |
| Satellites (NORAD) |
37818 |
| Satellites (COSPAR) | 2011-052 |
| Complementary constellations | topsat-1 (Gunter's) tacsat-1 (Gunter's) tacsat-2 (Gunter's) tacsat-3 (Gunter's) tacsat-6 (Gunter's) |
| Gunter's space URL | https://space.skyrocket.de/doc_sdat/tacsat-4.htm |
