After two World Wars; dozens of Cold War wars and dozens of post Cold War wars in Africa, Europe and the Middle East; all which have led to mass suffering; my view is that in this day age if any country comes to the point where it's convinced that only military action is the answer; it's a "black day". It's a reminder of how flawed the human race is and incapable of learning from the past.If no country in the world was willing to risk its personnel for humanitarian efforts, that would be a black day indeed
It would have to be countries politically acceptable to both Russia and the Ukraine with navies which have a decent MCM capability and are willing to take the risk. It's a war zone. Both sides might want this exercise to work but there are still risks.Of course if Russia refused to let any NATO country take part and only nations with obsolete vessels without proper defensive systems or only Russian ships could participate for propaganda reasons, that might be different.
What happens if a merchant ship hits a mine [do the Ukrainians have GPS coordinates of every mine they've laid and are some adrift] or if an escorting naval ship is hit by shore based arty with the Ukraine blaming Russia and vice versa? What happens if Russia claims that a merchant ship which has docked at Odessa to ostensibly be loaded with grain has also offloaded ammunition?