That sounds like a wise decision.

So, just how many countries are we talking about?

The Free Beacon reports:

One defense official said the Russian bomber activity appeared timed to the visit to the United States and Canada by Ukrainian President Petro Poroshenko. The Ukrainian leader was in Ottawa for meetings with Canadian leaders on Wednesday. He met with President Obama on Thursday.
Ukraine is locked in a battle with Moscow over the Russian military annexation of Crimea and continuing backing of pro-Russian Ukrainian militias in eastern Ukraine.