It made the Soviets extremely paranoid, and inspired their Operation Ryan and the 1983 Able-Archer scare. You should look it up - It is fascinating stuff.
Relevant line from the brief article below: "The military began a series of Psychological Operations (or PSYOPS) against the Soviet Union. Aircraft flew up to the edge of Soviet airspace and then turned away at the last minute."
Link: https://historynewsnetwork.org/article/168919