Navy Strength Rum: What Does It Mean?

If you've explored the rum section lately, you've probably seen bottles labeled "Navy Strength." But what exactly makes rum worthy of this designation, and why should you care?

A Maritime History

The term dates back to the British Royal Navy. Sailors received a daily rum ration, but there was a problem: if rum spilled on gunpowder, would the powder still ignite? To ensure it would, the Navy required rum to be at least 57.15% ABV (100 proof in the British system). At this strength, gunpowder soaked in rum would still burn.

Why It Matters Today

Navy strength rums bring intensity and backbone to cocktails. They can stand up to bold mixers and won’t get lost in a complex tiki drink. A Zombie made with proper navy strength rum is a completely different beast than one made with standard proof spirits.

How to Use It

Don’t be intimidated by the higher proof. Use it anywhere you want rum to be the star. A Navy Grog demands it. A Jet Pilot becomes transcendent. Even a simple Dark and Stormy gains new dimension. Just remember to adjust your proportions slightly—a little goes a long way.