At NATO’s Geilenkirchen airbase in Germany, an E-3 Sentry plane takes off on a mission to scan the skies of Eastern Europe for signs of possible Russian encroachment into NATO airspace.

Russia is "at war" with the entire NATO alliance, Vladimir Putin has claimed, accusing all 32 member states of fighting Moscow through arms supplies, intelligence sharing and training for Ukrainian forces.

Right now, though, U.S. leadership appears reticent. Coincidentally or not, the serious airspace violations have happened since Trump’s summit with President Vladimir Putin in Alaska in August, when the U.S. leader dropped his demand for a ceasefire in Ukraine.

There has long been a contest between East and West, whether its competing militaries, economies, and ideologies. The ascendance of China in the last few decades has been at record pace and gives credence to its economic and military power.

European Commission President Ursula von der Leyen told CNN on Sept. 24 that shooting down intruding jets should be considered if Moscow ignores other warnings.

Nonprofit organizations took lessons away from law firms and universities that largely decided to act in isolation after finding themselves in the administration's crosshairs.

Denmark reported the latest in a series of drone sightings on Saturday, with the most recent incident occurring near military installations.