[TheErnFormerlyKnownAsBig]

I can think of a number of narrow channels where these regulations make no sense and could be dangerous if enforced.

Like Mayport Florida, San Diego, Ft. Lauderdale, and any number of port entrance areas that are very narrow.

[68-69TonkinGulfYachtClub]

"Like Mayport Florida, San Diego, Ft. Lauderdale, and any number of port entrance areas that are very narrow."

From Press release above
"Under some circumstances, the official patrol may permit vessels that can only operate safely in a navigable channel to pass within 100 yards of a U.S. naval vessel in order to ensure a safe passage in accordance with the Navigation Rules"