What is the significance of the salutes, and why were different numbers of rounds fired depending on the location?
Indigenous howitzer to be used for 21-gun salute on Independence Day - India Today
The story behind the gun salutes on Republic Day - The Hindu BusinessLine
Sarasota Police Honor Guard gives 21-gun salute
Home-Grown Howitzer To Be Used For 21-Gun Salute On Independence Day
21 Gun Salute
Analysis Decades of marketing reinvented the AR-15 into a top-selling firearm - Washington Post
Gun salute - Wikipedia
Firearms for Freedom: A 10-Gun Salute
Guns used for 21-gun salute set to retire this year - The last bullet fired
21-gun salute - Wikipedia
A guide to gun salutes