It means to get someone's attention because help is needed.
It is not a protest, when the American flag is flown upside down it is a warning that the base has been captured.
It means to get someone's attention because help is needed.
upside down pirate flag was flown to mean No quarter," we're going to kill all aboard".
If you mean Diver Down- the flag used in US water is a red flag with a diagonal white stripe.
That is a Scuba diver flag, meaning "diver down."
It is the international symbolism of someone in distress
It is a sign of distress.
it means that someone who is important has died.
snorkeling or diving activities nearby
yes i believe so
Halfway down the flag pole the flag is attached to.
That is a Scuba diver flag, meaning "diver down."