- Vietnam War (1955-1975)
- Lieutenant General
- Awarded on:
- May 29th, 1964
"The President of the United States of America, authorized by Act of Congress July 9, 1918, takes pleasure in presenting a Second Bronze Oak Leaf Cluster in lieu of a Third Award of the Army Distinguished Service Medal to Lieutenant General Garrison Holt Davidson (ASN: 0-16755), United States Army, for exceptionally meritorious and distinguished service in a position of great responsibility to the Government of the United States, during the period July 1951 to April 1964."
Department of the Army, General Orders No. 18
Third DSM received as Bronze Oak Leaf Cluster.