Gentlemen, Be Seated!

Publication date:1948.05
Genre:Science fiction short story
Series:Future History
Preceded by:The Black Pits of Luna
Followed by:Ordeal in Space
Wikipedia page

“Gentlemen, Be Seated!” is a science fiction short story by Robert A. Heinlein. It was first published in May 1948 issue of “Argosy” magazine.

Exposition

The story tells of a visit to a tunnel on the surface of the moon which goes awry when a pressure seal fails, trapping three men: a supervisor, a reporter, and a tunnel worker.