Thread by @benreuter_IMINT

The 66th AD Battalion (HQ at Hatzor AB) operates the "David Sling" (DS) #ABM system.
The unit includes 2 batteries with 2 launchers each.
Back in 2018 Israeli media show an image of the Ein Shomer site.
The shadow clearly indicates the DS system present in
3 of the revetments

2
Back in 2013 the construction of 4 Arrow launch bunkers and 2 concrete pads started in the north of the base, now usually occupied by 48 bunker msl & 2 six-tube surface launchers.
This leaving the revetments empty for the DS system which was introduced in 2017.

3
The supporting El-2084 Radar was placed next to the "Oren Yarok" ABM Radar which supports Arrow.
The use of the DS system was published in the Israeli media when captured during a launch from Ein Shomer in an (unsuccessful) intercept against a Syrian S-200 on 25.12.18

4
The question was where did they deployed the 4th launcher?
The DS system was first used in an (unsuccessful) attempt to intercept a SS-21 on 23.7.18 .
ynetnews.com/articles/0,734…
The msl was launched from the compound of the 138th (Patriot) battalion just north of Zfat.

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note: the missile went straight up (which Patriots don't do)

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In principle all Israeli AD systems are movable.
An option which is used to face threats from different directions.
But Arrow & DS (and to some extend also Patriot) seems to use/prefer "well-established sites".

7
sat images show an interesting pattern.
3 DS launcher occupy the 3 southern revetments at Ein Shomer, while the northern revetment is occupied by an Arrow launcher, which supplements the 2 surface launchers in the northern Arrow compound of the base.
-> 3x12 DS & 48+3x6 Arrow

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Another image show the southern part of the Patriot compound north of Zfat (138th batt).
The southern pad is indeed occupied by (the fourth) DS launcher (without towing truck) - msl section not erected.
Just to the north of it a MAN truck Patriot TEL is visible.

9
So was this a secret? No! All infos (incl. videos of the launches & sites) were already published in the Israeli media itself.
DS system is at 2 known bases. So what?
BTW: I asked govmap in 2018 for permission -> granted.
1 month later: they were forced to blurr!
Kyl-Bingaman!

10
another image of the Ein Shomer site.
Here the Radar complex.
Oren Yarok is in support of the Arrow system while the EL-2084 support the David Sling.
This area is meanwhile blurred too - on request of the censorship.
It "revealed" that both systems obviously have Radar support