A somewhat similar case occurred in 1939 when a group of engineers called the British Interplanetary Society decided to design a ship which would carry people to the moon.
Midagi sarnast juhtus 1939. aastal, kui rühm insenere Briti Planeetidevahelisest Ühingust otsustas tarindada laeva, mis suudaks inimesi Kuule viia.