Double nit: this was not a misuse the deprecated term "The Ukraine" but the correct use of 'the' attaching to "Ukrainian one" referring to the NOTAM basically telling everyone to remain clear of Ukrainian airspace.

Triple nit: “airspaces” - there are 5 FIRs and 1 UIR in Ukraine https://uksatse.ua/index.php?s=330da740cf9126adde95bad0face2...

nit RFI: What is it about "Ukraine" (phonetically maybe?) that makes me, a westerner in the US, want to put a "the" before it every time I reference it as a country instead of just, you know, using the name of the country?

I don't go around calling other proper nouns "the" (mostly). I don't call my son "Hey there, the Bob, how was school today?" (his name is not bob). But if I had named my son Ukraine then I feel like I'd change that sentence to: "Hey! The Ukraine, how was school today?"

Why is this a thing? I have a formal background in applied/computational linguistics and a bit of trivial searching doesn't really reveal why this is a general tendency. Hurt's my brain meat.

Here's some that you want to "the": Alps, Matterhorn, US Navy, Rock.

Depending on your age and general personal history, in the past it was very common to see references and use of "the Ukraine" to talk about the region/area as well as the country (that mostly covers that geographical area). It could be remnants of your recollections popping up subconsciously.

In this case it really was meant to be projected as similar to "Have you seen the Bob document yet?"

Maybe because it's similar to "the UK" (United Kingdom).

“The Yukon”

In German (maybe some other languages too?) it's common to use "the" to refer to a 3rd person, so if Bob's sister Charlotte came home from school but not Bob, she could say "The Bob went to the mall".

Seems like it's the same way in Finnish, Finnish F1 driver Mika Häkkinen referred to Michael Schumacher as "The Michael".

Whoops - yup, I jumped the gun there.

Try replacing it in the sentence - it doesn't work, "the" is modifying "one" not Ukraine.

I suppose it could have been written "the Ukrainian one" but the the would still be there.

Whoops - yup, I jumped the gun there.