If Russia attacks a NATO member, Germany would have six months to move as many as 800,000 allied troops and 200,000 vehicles across the country toward the eastern flank. The ports, airports and railways required for that movement already carry military equipment through Europe and toward Ukraine. Germany says Russia attempted to bomb a Ukrainian cargo aircraft at Leipzig/Halle Airport, which houses NATO’s heavy-airlift program. Fires and incendiary devices subsequently reached European ammunition, drone and military-electronics companies,…