Military Order of the Loyal Legion of the United States

The Military Order of the Loyal Legion of the United States (MOLLUS), or, simply, the Loyal Legion, is a United States military order organized on April 15, 1865, by three veteran officers of the Union Army. The original membership was consisted of commissioned officers of the Regular or Volunteer Army, U.S. Navy, U.S. Marine Corps, or the U.S. Revenue Cutter Service who served during the American Civil War or who had served and thereafter been commissioned and who thereby had aided in maintaining the honor, integrity, and supremacy of the national movement" during the Civil War.

Source: Wikipedia — Military Order of the Loyal Legion of the United States (CC BY-SA 4.0)