Hiding under ships

[Alky]

Originally Posted by uss_cucumber

Wanna use this tactic to sneak into some anchorage in Japan.

What comes to my mind immediately about that idea is... any harbors I've been in to knock off a couple stationary ships, are too shallow. Usually I only have about 10 meters or less under the keel at minimum periscope depth. A bit tight for maneuvering under a destroyer I think.