U.S. military installations ... “Starting immediately, only the United States of America flag is authorized to be flown or displayed at U.S. facilities, both domestic and abroad, and featured ...

For service members in uniform, however, proper display of the American flag ... during patriotic and military observances, including the display of the United States flag regardless of size ...

First codified in 1923 by, I shit you not, the National Americanism Commission, the Flag Code was officially written into law ...