MSR meaning: definition, quotations

MSR

noun

Abbreviation, Initialism Initialism of molten salt reactor.

NASA, Aerospace, Business, Engineering, Natural sciences, Physical sciences, Space science US, Abbreviation, Initialism Initialism of Mars Sample Return mission.

Mulder/Scully romance; a fanfic involving a romantic relationship between the characters Fox Mulder and Dana Scully of the The X-Files.

The X-Files fandom slang

Although I regard this as a romantic piece, it's not an MSR in the usual sense--our heroes don't ride off into the sunset locked in each other's arms.1997 April 12, Loch Ness [username], “Letters of Transit (0/14) By Loch Ness”, in alt.tv.x-files.creative (Usenet):
I'm writing an MSR (big surprise there) and I have a scene where M&S do a nice, sensuous slow dance.2000 March 5, Tim Scott, “Research assistance request”, in alt.tv.x-files.creative (Usenet):

1 more example

In the last couple of years, it seems like the vast majority of stories posted are MSRs. You rarely see a slash story posted here anymore.2001 August 4, Circe, “Re: xfc: XFC content changes”, in alt.tv.x-files.creative (Usenet):

Lifestyle Slang Such fan fiction collectively.

I am a shipper, and yes, I prefer to read MSR.2000 May 8, C. E. McLarney, “Re: NEW: "Remotely Controlled" (1/1) by Marguerite”, in alt.tv.x-files.creative (Usenet):
Although I read MSR occasionally (and at one time did exclusively) the minute I discovered slash I was hooked.2003 April 14, pjay [username], “slash”, in alt.tv.x-files.creative (Usenet):

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Made me want to read MSR again, and I thought I'd finally kicked that habit.2006 June 12, jzjenn [username], “Paula Graves News”, in alt.tv.x-files.creative (Usenet):

Government, Military, Politics, War Abbreviation, Initialism Initialism of main supply route.