As time passed, reveille came to signify when the flag was raised in the morning and honors paid to it, according to Army Field Manual 3-21.5. Retreat has always been at sunset.

of the U.S. Flag when you're in a vehicle," Gilly said. On Air Force bases, you do not dismount their vehicle, while Army Soldiers get out of the car and salute, he said.

Follow these rules, as stated by the U.S. Flag code. How to Retire Your Flag Each year, Americans across the nation unfurl their flags on Independence Day, Memorial Day, and Flag Day ...