US, Russia set rules for air safety over Syria

WASHINGTON, D.C.: The United States and Russia have signed a memorandum of understanding that establishes measures so their pilots steer clear of each other as they conduct separate bombing campaigns in Syria, the Pentagon said Tuesday.

It’s a significant step that follows several instances in which Russian and US planes or drones have come close to each other, raising the nightmare prospect of a mid-air collision or some other dangerous encounter.