Rob Lee (Twitter)

29/
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@RALee85:
Photos of two new "serial" Su-57 fighters bort number red 53 (RF-81777) and 54 (RF-81778) at the Tolmachevo airport in Novosibirsk.
https://t.co/NMPFKGqlAx https://t.co/CxGXRMnGhx

Rob Lee (Twitter)

I believe Russia now has 5 production model Su-57 fighters: bort blue 01, red 02, and red 52-54. As a reminder, the first "serial" Su-57 crashed right before it was to be delivered in December 2019. These fighters don't have the 2nd-stage engine.

Rob Lee (Twitter)

58/
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@RALee85:
Photos of two new "serial" Su-57 fighters bort number red 53 (RF-81777) and 54 (RF-81778) at the Tolmachevo airport in Novosibirsk.
https://t.co/NMPFKGqlAx https://t.co/CxGXRMnGhx

Necro Mancer (Twitter)

Локация: #ВеликиеПроходы Харьковская обл.
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@5urpher:
Location near Velyki Prokhody, Kharkiv Oblast(50.191504, 36.317673)
https://t.co/d9VLiRw0tP

@GeoConfirmed

https://t.co/wrK5x8gEF0 https://t.co/CkGdwmctLQ

Necro Mancer (Twitter)

Явка с повинной от #морф (если кто не понял, #КазачьяЛопань сейчас под контролем российских оккупантов) https://t.me/mod_russia/16208