why did soldiers put cards in their helmets
Ace of spades Some twenty years later, a folk legend about the ace of spades being used by American Soldiers during the Vietnam War was popularized. Supposedly, US troops believed that Vietnamese traditions held the symbolism of the spade to mean death and ill-fortune and in a bid to frighten and demoralize Viet Cong soldiers, it was common practice to mockingly leave an ace of spades on the bodies of killed Vietnamese and even to litter the forested grounds and fields with the card.[citation needed] This custom was said to be so effective that the United States Playing Card Company was asked by Charlie Company, 2nd Battalion, 35th Infantry Regiment to supply crates of that single card in bulk. The crates were often marked with "Bicycle Secret Weapon".[8][unreliable source?] The ace of spades, while not a symbol of superstitious fear to the Viet Cong forces, did help the morale of American soldiers. It was not unheard of for US Soldiers and Marines to stick this card in their helmet band as a sort of anti-peace sign.[citation needed]
The Star-Spangled Banner When the National Anthem was first recognized by law in 1932, there was no prescription as to behavior during its playing. On June 22, 1942, the law was revised indicating that those in uniform should salute during its playing, while others should simply stand at attention, men removing their hats. (The same code also required that women should place their hands over their hearts when the flag is displayed during the playing of the Anthem, but not if the flag was not present.) On December 23, 1942 the law was again revised instructing men and women to stand at attention and face in the direction of the music when it was played. That revision also directed men and women to place their hands over their hearts only if the flag was displayed. Those in uniform were required to salute. On July 7, 1976, the law was simplified. Men and women were instructed to stand with their hands over their hearts, men removing their hats, irrespective of whether or not the flag was displayed and those in uniform saluting. On August 12, 1998, the law was rewritten keeping the same instructions, but differentiating between "those in uniform" and "members of the Armed Forces and veterans" who were both instructed to salute during the playing whether or not the flag was displayed. Because of the changes in law over the years and confusion between instructions for the Pledge of Allegence versus the National Anthem, throughout most of the 20th century many people simply stood at attention or with their hands folded in front of them during the playing of the Anthem, and when reciting the Pledge they would hold their hand (or hat) over their heart. After 9/11, the custom of placing the hand over the heart during the playing of the Anthem became nearly universal. [57][58][59]