海空军

海 = 每 + 氵 : Due to the runaway greenhouse effect, the oceans have risen and the airplane has been flooded. To do his daily workout, Hamlet has to do a handstand on two water bottles and do his push-ups this way.

海 = 每 + 氵 : Due to the runaway greenhouse effect, the oceans have risen and the airplane has been flooded. To do his daily workout, Hamlet has to do a handstand on two water bottles and do his push-ups this way.

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.

军 = 冖 + 车 : As a component in other characters: a general.

Zeus is driving a car in front of the restaurant. It's a cabriolet, so he uses a cooking top to protect himself from the weather. With the cooking top on his head, he looks kinda like a weird general.