"Duke" refers to astronaut Charlie Duke, who was CAPCOM during the Apollo 11 landing and lunar module pilot of Apollo 16.
“杜克”是指宇航员查尔斯·杜克，他曾担任过阿波罗11号登月期间的宇航通讯员（CAPCOM）和阿波罗16号登月舱驾驶员。