舰
=
舟
+
见
:
Joan of Arc (ji) found a very old yellow submarine (舟) in the anthill's bathroom (an4). She is able to retrieve an old surveillance camera (见) from it and can see on the videotape how the submarine was totaled by a warship (舰) during the last war.
艇
=
廷
+
舟
:
engine has been flooded, and inside ((e)ng3) there's water everywhere. Mother Teresa (ti) arrived with her yellow submarine (舟) and changed into a small boat (艇) to explore the remains. She's specifically looking for the former palace courtyard (廷).