There is no question that there will be an air attack, the question is where? Striking Moscow would and the parade itself would be a strategic masterpiece, but the reality is that over the last several days ruzzia has been moving air defense systems into Moscow, this then leaves other strategic points ripe for a strike. So at the end of the day, what appears to be brewing up is a target rich environment for the Ukrainians.
Not to mention, it was not too many days ago that they hit the largest ruzzian ammo dump of the war. It contained most of the ammo that was to be used for the spring offensive. If you have time, watch all of these in order from top to bottom...