It wasn’t even that common, only used between 1858-1896, the tsarist flag was the russian tricolor from 1696-1858 and 1896-1920: https://en.wikipedia.org/wiki/List_of_Russian_flags#Historical_flags_of_Russia
“russian troll!!! how dare you doubt proazovukraineslava.com?”
F-15, F-16 and Aardvarks taking out most enemies:
A-10 claiming all kills: https://megaprojects.net/featured/the-a-10-warthog-worse-than-you-think/
https://en.wikipedia.org/wiki/Attempted_assassination_of_Ronald_Reagan
Edit: sorry for double-posting
But russia!!!