Iraq and Afghanistan Memorial

USS Grenadier (SS-210), a Tambor-class submarine, was the first ship of the United States Navy to be named for the grenadier fish, relatives of cod that are very common in bathyal and abyssal habitats.

https://en.wikipedia.org/wiki/USS_Grenadier_(SS-210)

USS Grenadier (SS210)

Polish Armed Forces in WWII

Pearl Harbor Memorial

USS Croaker, a Gato-class submarine, was the first ship of the United States Navy to be named for the croaker, any of various fishes which make throbbing or drumming noises.

https://en.wikipedia.org/wiki/USS_Croaker