Uncle Sam’s Mountain Climbers (“USMC” backronym)

“Uncle Sam’s Mountain Climbers” is a backronym (back acronym) of “USMC” (United States Marine Corps). “Uncle Sammy’s Mountain Climbers” has been cited in print since at least August 1996.
 
Other backronyms of “USMC” include “Uncle Sam’s Misguided Children,” “Uncle Sam’s Motorcycle Club,” “University of Science, Music and Culture,” “Unlimited Shit and Mass Confusion,” “U Suckers Missed Christmas” and “U Signed the Motherfucking Contract.” Popular “Marine” backronyms include “Muscles Are Required, Intelligence Not Essential” and “My Ass Rides In Navy Equipment.”
     
 
Google Groups: comp.sys.ibm.pc.games.flight-sim
WB: Why the F’ing Pigs hate dog3
Stephen St.Clair
8/4/96
(...)
Actually, that’s Uncle Sammy’s Mountain Climbers, or, alternatively, Uncle Sammy’s Misguided Children.
 
Google Books
The 1600 Killers:
A wake-up call for Congress
By Andrew Jacobs
Greenwood, IN: Alistair Press
1999
Pg. 10:
Below, as far as could be seen, there were rugged mountain ranges, which for the Marines had already given birth to a new use for their initials, Uncle Sam’s Mountain Climbers.
 
Urban Dictionary
USMC
(1) University of Science, Music, and Culture
(2) Uncle Sam’s Misguided Children
(3) Uncle Sam’s Mountain Climbers
(4) United States Marine Corps (the world’s finest fighting force)
Lewis Burwell “Chesty” Puller, a Summa Cum Laude graduate of the University of Science, Music, and Culture (USMC), always preferred hands-on whoopass to theory.
by FormerMarinefromOregon December 14, 2005
   
International Military Forums
Gator
December 24th, 2006
U.S.M.C stands for Uncle Sam’s Misguided Children, or Uncle Sam’s Mountain Climbers, just depends on whether or not one is a Marine, or what a Marine has said about the Army at the time.
 
The Gray Iron Fitness Blog
THURSDAY, SEPTEMBER 27, 2007
USMC: Uncle Sam’s Mountain Climbers
The Marines love this little gem of an exercise called Mountain Climbers
   
The SoundHole
“NOTHING IS WORTH DYING FOR”
Post by Chilibill on Jul 4, 2009 at 11:19am
It was May 1971 on the mall in Washington D.C…... a moratorium, an anti-war protest, and by many accounts an effort by the “peace movement” to shut down Washington D.C.
(...)
I was about three years and five months into a 4 year enlistment in the USMC (known to most as the U.S. Marine Corps…. A.K.A. Uncle Sam’s Mountain Climbers and sometimes bitterly called Unlimited Shit & Mass Confusion). I had gone on active duty and began basic training on January 10, 1968 (approximately 3 weeks prior to the beginning of the Tet Offensive).