What is the significance of the salutes, and why were different numbers of rounds fired depending on the location?
Ceremonial Events - Gun Salutes
Enter OHA's 21 Gun Salute Raffle! - Oregon Hunters Association
History of U.S. Military Gun Salutes
It's Not The Guns, It's The Volley, An Explanation - Queens Gazette
The Story Behind Royal Gun Salutes
Explained: The Tradition Of 21 Gun salute In India »
What's a 21 Gun Salute for Military Funerals?, Cake Blog
21 Gun Salute
Twenty-One Gun Salute
A guide to gun salutes
Firing Three Volleys at a Military Funeral - Taps Bugler: Jari Villanueva
Artillery salutes planned for Remembrance Day