| Unit Name: | 4th Test and Evaluation Squadron |
| Type: | Squadron |
| Role: | test and evaluation |
| Command Structure: | Space Delta 12 |
| Garrison: | Peterson Space Force Base, Colorado, U.S. |
| Garrison Label: | Headquarters |
| Commander1: | Lt Col Benjamin Szutar |
| Commander1 Label: | Commander |
| Commander2 Label: | Deputy Commander |
| Commander3 Label: | Superintendent |
| Identification Symbol Label: | STAR Delta, Detachment 1 emblem |
The 4th Test and Evaluation Squadron (4 TES) is a United States Space Force unit. Assigned to Space Training and Readiness Command's Space Delta 12, it is responsible for testing and evaluating the Space Force's electromagnetic spectrum capabilities. It is headquartered at Peterson Space Force Base, Colorado.[1]