What is one significance of a 21-gun salute?

The significance of a 21-gun salute is indeed associated with honoring high-ranking individuals, particularly during ceremonial events. This tradition traces back to naval customs where a ship would fire a number of cannon rounds in a salute, which is a form of respect and recognition. The number 21 is particularly notable as it is reserved for honoring heads of state, national holidays, and other significant occasions, illustrating its importance in military and ceremonial contexts. The usage of such a specific number highlights the formality and seriousness of the salute, distinguishing it from other forms of military honor. The 21-gun salute underscores the military's respect for rank and authority, especially during state occasions or visits from dignitaries, making it a key part of naval heritage.