Practice Telemetry

[MINENAZ16]

Hello,
Found this picture on random bocn images gallery.
The owner could for sure explain what is the white device (I only can read Practice Telemetry).
Regards

 

[pzgr40]

Looks like a swingfire warhead, but I may be mistaken......

 

[glevum]

I agree, It looks like Swingfire to me as well.