Respect Due the Flag
1. The flag should not be hoisted before sunrise nor allowed to remain up after sunset.
2. At retreat, sunset, civilian spectators should stand at attention and give the military salute.
3. When the national colors are passing on parade or review the spectators should, if walking, halt, and if sitting, rise and stand at attention and uncover.
4. When the flag is flown at half-mast as a sign of mourning it should be hoisted to full staff at the conclusion of the funeral. In placing the flag at half-mast, it should first be hoisted to the top of the staff and then be lowered to position. Preliminary to lowering from half-mast it should first be raised to top.
5. On Memorial Day, May 30th, the flag should fly at half-mast from sunrise till noon, and at full mast from noon to sunset.
The flag at half-mast is a sign of mourning.
The flag flown upside down is a signal of distress.