Spy-fi side (4)

I believe the answer is:

ussr

(Other definitions for ussr that I've seen before include "Country established in1922 and dissolved in 1991, in short" , "In brief, former Soviet federation" , "Former association of communist republics" , "Former federation of Russial and other states" , "Country established in 1922 and dissolved in 1991, in short" .)

I've seen this clue in the LA Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.