The Marine Corps Security Guard Ribbon was established on July 15, 1997, by Secretary of the Navy John H. Dalton. This ribbon will be awarded retroactive to January 28, 1949, the date the first Marine Security Guards departed Washington,
D.C. for their overseas assignments. Only one award is authorized for the period of January 28 1949 to August 15, 1974, regardless of qualifying periods. Marines assigned to Marine Security Guard duty (Military Occupational Specialty 8151)
are eligible upon completion of twenty-four months service at a foreign service establishment...
http://www.amervets.com/replacement/mcsg.htm#isr
NOTE: Eligible personnel should ensure this Service Period acknowledgment is listed on your current 201A Military Award Report: http://www.amervets.com/201areq.htm (or... amervets.com/201a)
-- Otis Willie (Ret.)
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