空军司令

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.

司 = ㇆ + 𠮛 : Socrates (s) wants to use the plow (㇆) in front of the space station (Ø1), but he doesn't manage (司), even with the magical scroll called manual (𠮛). Suddenly, a manager (mnemonic symbol for 司) floats by and shows him how to manage (司).

令 = 今 + ㇏ : As a mnemonic symbol, I'm going to use a 令牌, which was a tablet to identify someone as an official sent by the emperor to convey the emperor's orders.

令 = 今 + ㇏ : Li Qingzhao has been sent by the emperor to collect rent from the English, but they are nowhere to be found. Finally, Li Qingzhao arrived at the engine's bathroom, ready to show her 令牌, raise the finger and show to the date of payday on the calendar—if there were anyone in the engine's bathroom.