This is the origin of the 21-gun salute

Twenty-One Gun Salute

Gun salutes across UK and abroad mark proclamation of King Charles

Here's why it's a bad idea to snipe at US Army soldiers

Here's why it's a bad idea to snipe at US Army soldiers

Here's what communication looked like during WWII

Watch the actual WWII sea rescue footage of George Bush

That time aliens landed in the Soviet Union for a walk in the park

Here's what communication looked like during WWII

How Did the 21-Gun Salute Come to Be?

Why Do They Use 21 Guns in the 21 Gun Salute?

Trump reportedly wants a 21-gun salute for his departure. The military honor has a fascinating history