As of update 20.09.2018 (1.81.1.16) Gaijin has locked some decals for other nations, even if they were used by the latter : r/Warthunder
War Thunder Update 3.87 Patch Notes | Attack of the Fanboy
War Thunder 1.87 "Locked On!" update goes live with new top-tier military hardware - NotebookCheck.net News
Crew Locked for 4+ minutes because I got spawnkilled twice by tanks that were outside spotting distance : r/Warthunder
War Thunder 1.87 "Locked On" - Changelog - Updates - Game - War Thunder
War Thunder on Twitter: "The War Thunder Winter quest will start next week! ▫ Tornado IDS Marineflieger ▫ T-80UM2 ▫ USS Newport News ▫ Late 298D 👉 https://t.co/VDSvGs1Q9S https://t.co/EzZPFC4mD1" / Twitter
Dev Server Opening with Update 1.87 "Locked on!" - round 2 - Project News - War Thunder - Official Forum
Aircraft Radar In War Thunder : The Complete Guide (Updated June 2022) - YouTube
UPDATE 1.87 "LOCKED ON" TEASER / WAR THUNDER - YouTube
War Thunder: Update 1.87 Locked on Adds Vehicle Radar, SAM Systems..
Proof that you can still unlock and buy a vehicle which moved to a locked rank. (In preparation for some vehicles soon moving to rank 8) : r/ Warthunder
Guide to Planes and their systems. - Everything War Thunder