How about a Friday Flashback?
We go back to 1955, at a time when Honor Guard Company was Company A, 1st Battalion, 3d Infantry Regiment.

Original caption:​
SG 520208 ARLINGTON, VA
Men of the Army’s Third (Old Guard) Regt perform one of the most highly honored military duties in the Armed Forces. Soldiers of the Regt’s “A” Co keep a twenty-four hour vigil at the Tomb of the Unknown Soldier in Arlington National Cemetery, the nation’s most famous military memorial, where the body of an unidentified soldier of WWI was reinterred, in 1921.

Sergeant of the Guard, M/Sgt Woodrow W. ​​Mangum, and Corporal of the Guard, Delbert Thomas, check a list of forthcoming wreath laying ceremonies at the Tomb of the Unknown Soldier in which members of the Guard will participate. 12 September 1955

http://www.flickr.com/photos/oldguardmuseum/48285744086