航空母舰

航 = 亢 + 舟 : Hamlet (h) decided to run away to sea 13 years ago. Now, having sailed (航) the seven seas, he's an accomplished captain and looking out of his yellow submarine (舟) wearing a turtleneck sweater (亢) in the anglepod's kitchen (ang2).

空 = 工 + 穴 : Mnemonic symbol: an air conditioner

空 = 工 + 穴 : In front of the engine, Karl Koala found some very special cave paintings. Using steel beams he constructs a protective cover. He also installs air conditioning to make the best environment possible to preserve the cave paintings.

Mnemonic symbol: Gaia, mother of earth.

Gaia plays with her child Malte Monkey in the space station.

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.