Since Mr. Harris seems to have used an embed for his post, the image in his post no longer conforms with his captioning.
However, the current extremely high-resolution image of Yokosuka spliced into Google Maps renders his speculation about temptation even more salient. On the U.S. side of the main harbor I count six guided missile destroyers (one in dry dock), one guided missile cruiser, two
Holy Moly, that is a lot of firepower to have in one place...and that is just the main harbor. There are two more MSDF destroyers and an MSDF submarine at the Nagaura anchorage and something I cannot identify out in the channel.
It's hell of a shot, really...so to speak.
Later - An imagery specialist checks in in comments and gently
I have made changes in the above to reflect the commenter's suggestions.