"Vengeance on Mars" ~ 1950's short story by Jerome Bixby

Thanks to another generous fan of old pulp magazines at the Internet Archive, you can read “Vengeance on Mars,” a short Sci-Fi story penned by Jerome Bixby under the pseudonym D. B. Lewis, as it was originally published in the September 1951 issue of Planet Stories magazine.

“In the dim Water Temple, where the dead grinned down on the dead, Hale met his D-day. Should he give an ex-comrade to the torturing Lhrai or chance the massacre of Terrestrial thousands?”