Station Salem-One was a fixed installation.
In 2366, Captain Jean-Luc Picard compared Station Salem-One to Pearl Harbor and noted that it was remembered as "the stage for a bloody preamble to war." (TNG: "The Enemy")
Background information Edit
This station was only mentioned in dialogue.
Station Salem One might have been a space station or a planetary facility.
A deleted scene from season 4's "Family" would have revealed that one of Jack Crusher's ancestors died at Station Salem-One.
The script of third season installment "Yesterday's Enterprise" mentioned a similarly named Station Salem Four, which was raided by the Bel-Zon.