By A Mystery Man Writer
If Only Singaporeans Stopped to Think: 21-gun salute shell casings from Lee Kuan Yew's funeral given to groups, individuals
The 21 Gun Salute - Defence Forces
The King's birthday: Why do we have gun salutes?
21-gun salute for The King's birthday - Visit Windsor
Twenty-One Gun Salute
Final Salute with Military Funeral Honors
Gun salutes for the Queen: 96-round salute representing one round for every year of her life
21-gun salute, Military Wiki
The Story Behind Royal Gun Salutes
Rifle volleys and gun salutes
SIG Sauer M17 - Wikipedia
Three-volley salute - Wikipedia
Chapter 4 C7 Basic Arms Drills