Aleksei nods. "Most deserve better than what happens in the end. I would not think of it as not being able to say goodbye in person; give thanks that you can bid him farewell at all. Too many I've known have fallen unexpectedly, my last words to them mere nothings or perfunctory wishes of luck. A letter, at least, will let him know of your feelings and goodwill before the end."

Cold comfort, I think, but perhaps better than naught.