Gun salute - Wikipedia

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What happens to the shell casing after a 21 gun salute? - Quora

Presidential Salute Battery - Wikipedia

Salute - Wikipedia

What is the origin of the 21 gun salute? - Quora

Why do honor guards need to manually cycle their weapons during a 21 gun salute even when they are using automatic or semiautomatic rifles? - Quora

The history of gun salutes

File:US Navy 090618-N-0773H-083 Capt. George N. Thompson, commanding officer of the U.S. Navy Ceremonial Band leads band members as they render honors during a 21-gun salute.jpg - Wikipedia

Finger gun - Wikipedia

62 Gun Salute, The Ultimate Honour - Royal Salute

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File:US Navy 061230-F-1577E-003 Members of the Presidential Salute Gun Platoon, 3rd U.S. Infantry Regiment perform a 21-gun salute honor the arrival of the casket carrying former President Gerald R. Ford.jpg - Wikipedia

of the field's trends

21-gun salute - Wikipedia

What is a 17 gun salute used for? - Quora