Modest? What's that got to do with it? The Russians were repeatedly warned over the last few weeks, this is a very tense situation in a very tense part of the world. If you encroach another nations airspace, ignore warnings and protestations for
Weeks then what do you expect?
Putin should remember the poor souls who died aboard the CIVILIAN airliner shot down in Ukraine by his forces or forces supported by his regime not so long ago before he takes any moral stance and likely retaliation!