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21-gun salute - Wikipedia
What happens to the shell casing after a 21 gun salute? - Quora
Salute - Wikipedia
21-gun salute, Military Wiki
Famous travelers to Türkiye: Kaiser Wilhelm II, German ruler
Does a 21 gun salute use actual bullets or blanks? - Quora
Salute - Wikipedia
Why firing a gun into the air can kill somebody, by Ethan Siegel, Starts With A Bang!