More from the article ...

... French Rafale fighters were deployed from a Lithuanian air base where they are stationed as part of a decades-long NATO air-policing effort. The fighters armed with air-to-air missiles joined jets from Sweden, Finland, Poland, Denmark and Romania. They all took to the skies to inspect and keep watch on the Russian flight, the French detachment said.

The Russian mission included two supersonic Tu-22M3s, as well as about 10 fighters " both Su-30s and Su-35s " that took turns escorting the larger strategic bombers, according to the statement.

The Russian Defense Ministry said the long-range bombers' flight was scheduled and occurred in airspace over the neutral waters of the Baltic Sea. The flight took more than four hours, the ministry said Monday on Telegram.

"At certain stages of the route, the long-range bombers were accompanied by fighters of foreign states," the ministry said. "Crews of long-range aviation regularly conduct flights over the neutral waters of the Arctic, the North Atlantic, the Pacific Ocean, as well as the Baltic and Black Seas. All flights of Russian Aerospace Forces aircraft are carried out in strict compliance with international rules for the use of airspace." ...

NATO's Allied Air Command also did not immediately respond to a request for comment on Tuesday.

The military alliance routinely scrambles fighter aircraft to intercept Russian warplanes that approach or fly near NATO airspace. NATO says the Russian planes it intercepts often fail to use their transponders and don't communicate with air traffic controllers or file a flight plan. NATO jets are sent up to identify them. ...

@#

Looks like Pres Putin probing NATO's borders to me.

For example, gathering intelligence on the communications that occurred during that probe.