Apparently a training unit also at Yaroslavl in conjunction with the training Academy.
The list only is about the S-400 current known deployements, I heard nothing about Yaroslavl for now
Not clear.... after read several webpages, all the S-400 , or most of them, was tested at Kasputin Yar before to be deployed to its regiments
The first set of ZPR 606th has been sent to other place, propably in Astrakhan Oblast as I read
I though that the training range for S-300/400 is in Ashuluk , and I saw in a ORBAT that there was a S-300 training unit , but I cannot remember where I read that
In wikipdia (2008) >> en.wikipedia.org/wiki/Forces_of_central_subordination_of_the_Russian_Air_Force_2008
185th TsBP i PeLS has at least:
-116th Operational Combat Training Regiment (Privolzhsky-Astrakhan) Mig-29
-42th Operational Training Center (Ashuluk-Astrakhan Oblast) SAM and targets.
Not sure if 4th Misile Test Range "Kasputin Yar" (really a "cosmodrome") is now included , but is near (the same "Oblast" or russian district)
Probably I read that news in a conventional web , not specialized , and probably the final destiny is mistaken , and is Ashuluk , and also a part of this regimental set was sent to Syria, as I read
You can look at the satellite 50 km east of Ashuluk village,big facilities and a quantity of material and... large trucks??
It seems logical to think that training/test units are concentrated in southern Russia (Astrakhan, Krasnodar ...)
About that you say about Yaroslavl, probably ten years ago there was a regiment of 4th Brigade VKO (Today 4th división of PVO) , but the things changed a lot and several times in last ten years. VKO forces changed to PVO and now integrated with VVS into VKS
In Yaroslavl also is (or was) the: "ANTI AIRCRAFT DEFENSE INSTITUTE" , not a test range. In a place like this can be "prototypes" of launchers , not battaliions or other units.
It is an Institute of AA "engineering" as it seems
Also I have read in a couple of webpages that in Yaroslav is placed the GATCHINA Range
, but this is mistaken, this place is in Leningrad Oblast
"Gatchina training aviation and air defense center" or "Center for anti-aircraft missile troops", At Uchhoz (Gatchina-3) , depends the date or the place you find the information
The problem is that the translators also translate as "training" , (academic) "formation". Probably here also, active troops study and take contact with new missile systems
The last tittle found , Gátchina Aerospace Defense Academy . It does not seem that there are units with troops here, only students, even if there is any launcher for practices without fire. On the satelite you do not see great facilities or materials and it is very close to Pushkin, on the outskirts of Leningrad
The matter with the information is all the ORBAT´s you can find in internet are just "the opinión" of the writer , generally a "defence advisor" as could be a "stock exchange advisor" or a simply journalist that write about military information, even in places as Globalsecurity or Jane´s
Other sites as Wikipedia , fórums, etc... generally have a lot of outdated or mistaken information , thinking that the ORBAT is in remodeling right now
Russian Defense Ministry does not give information about the ORBAT (of course) so all you can do is find information on serious and specialized Russian websites, forums and blogs , and get reliable data
The two better websites with enough current data were warfare.ru/warfare.be, closed last year and milkavkaz.net written by a russian, recently locked
I see in this forum , some information copied from milkavkaz.net
It's really bad luck not to have copied the whole web (even in russian), despite their errors/omissions