Unknown rocket


132mm rocket “aerial target imitator”, of Russian origin. At least its body index 3П10 (3P10) says so
Warhead marked “inert”

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Maks basically said it.
The small sheet metal holder on the right fin with the 3 holes in it is used to attach electrically ignited flares which make up for a better heat source simulating a larger rocket or aircraft.
Used for AA training.

The initial design of these was the well known M-13 Katyusha MLRS from WW2. Basically seen in all Russian war footage.
When the system became obsolete the rockets were repurposed (also the live HE variant) for practice purposes.
In 2003 I saw original WW2 made HE types in a Russian ammo depot (basically invaluable items) along with refurbished types. All were earmarked for disposal.

There was a variant with the flare screwed into the fuze well.

Vince, do you have images or manuals showing the complete front arrangement with the actual pyrotechnical unit before firing?
I saw these unfired in storage but then the simulator was not installed, only the aluminum cylinder with the holes was pre-mounted (looking almost like a drum of a revolver).

No, i don’t have any docs or manuals. This is the only one i’ve ever seen. I don’t even know if the simulator was ignited electrically or with some setback device.

I wondered about that too. Looking at your image it appears that the holes in the aluminum cylinder are holding metal screws which do appear like cables can be connected.