Underwater Boat for Military or Viewing Fish
This page is the CodyCross answer for the clue below from Art Museum, Group 738, Puzzle 4 (Networking Mixer).
Question is: Underwater Boat for Military or Viewing Fish
and the answer is: SUBMARINE
Word Meaning:
SUBMARINE — Being, relating to, or made for use underwater, especially beneath the sea.
Definitions from Wiktionary.