Quite a few, actually. The emblem of the Arnold Engineering Development Center (founded in 1950) is probably the most interesting, but so are those of the 36th Wing (1952), 138th Fighter Wing (1957), 75th Air Base Wing (1942), 412th Test Wing (1957), and the 30th Space Wing (1964)
And those are just ones that predate Star Trek. More modern examples:
Quite a few, actually. The emblem of the [Arnold Engineering Development Center](https://upload.wikimedia.org/wikipedia/commons/8/8a/Arnold_Engineering_Development_Center.png) (founded in 1950) is probably the most interesting, but so are those of the [36th Wing](https://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/36th_Wing.png/1024px-36th_Wing.png) (1952), [138th Fighter Wing](https://upload.wikimedia.org/wikipedia/commons/d/d1/138th_Fighter_Wing.png) (1957), [75th Air Base Wing](https://upload.wikimedia.org/wikipedia/commons/d/d2/75th_Air_Base_Wing.png) (1942), [412th Test Wing](https://upload.wikimedia.org/wikipedia/commons/5/57/412th_Test_Wing.png) (1957), and the [30th Space Wing](https://upload.wikimedia.org/wikipedia/commons/2/22/30th_Space_Wing.png) (1964)
And those are just ones that predate Star Trek. More modern examples:
[14th Flying Training Wing](https://upload.wikimedia.org/wikipedia/commons/1/18/14th_Flying_Training_Wingnewemblem.PNG)
[377th Combat Support Group](https://upload.wikimedia.org/wikipedia/commons/e/e9/377_Combat_Support_Gp_emblem.png)
[US Air Force RPA Sensor Operator Badge](https://upload.wikimedia.org/wikipedia/commons/c/c1/USAF_-_Sensor_Operator_Badge.png)
[Space Operations Badge](https://upload.wikimedia.org/wikipedia/commons/9/93/USAF_-_Space_Professional_Badges.png)
[18th Intelligence Squadron](https://upload.wikimedia.org/wikipedia/commons/d/d8/18th_Intelligence_Squadron.PNG)
[496th Air Base Squadron](https://upload.wikimedia.org/wikipedia/commons/9/97/496th_Air_Base_Squadron_-_Emblem.png)
[920th Rescue Wing](https://upload.wikimedia.org/wikipedia/commons/9/99/920th_Rescue_Wing.jpg)
[908th Airlift Wing](https://upload.wikimedia.org/wikipedia/commons/9/90/USAF_-_908th_Airlift_Wing.png)
I stand corrected, thank you for the information.
I stand corrected, thank you for the information.
Air Force Space Command wasn't established until 1982, Star Trek was created in 1964. What other unit or command group uses or has used something similar?