戍卒

戍 = 丶 + 戊 : Sheldon Shrimp (shu) has to guard the border (戍) in the space station's bathroom (Ø4). His garrison (戍) consists of a fifth wheel (戊). He has to stand still in front of it all day and wear a stupid hat made out of a petal leaf (丶).

卒 = 亠 + 从 + 十 : Zapatista Zebra (zu) is putting up a cross (十) in the space station's kitchen (Ø2) as commemoration for a fallen soldier (卒). The fallen soldier is a rubber chicken (从) which is wearing a beret (亠).