Candy and the American military have a relationship that goes back further than most people realize. Long before energy gels and electrolyte packets, commanders understood something basic about human nature: a little sugar goes a long way when morale is low and the work is hard.
The history of candy in military rations is really a story about problem-solving. How do you keep troops fed, focused, and fighting in conditions where fresh food is impossible? For over 150 years, part of the answer has been candy.
The Civil War: sugar as a ration staple
During the Civil War, the Union Army issued official sugar rations to its soldiers — roughly 2.4 ounces per man per day. That might not sound like much, but in an era when the standard ration was salt pork, hardtack, and coffee, sugar was one of the few things troops actually looked forward to eating.
Soldiers mixed sugar into their coffee, crumbled it over hardtack to make it tolerable, and traded it like currency. Sutlers — civilian merchants who followed the armies — sold hard candies, rock candy, and fruit drops to soldiers willing to spend their pay on something sweet. Letters home from Union and Confederate soldiers alike mention candy as a prized luxury, something that made camp life a little more bearable.
The military was learning a lesson it would apply for the next century and a half: troops will eat candy when they will not eat much else.
World War I: chocolate enters the supply chain
By the time the United States entered World War I in 1917, the American candy industry had industrialized. Hershey, Nestle, and dozens of regional manufacturers could produce chocolate and hard candy at a scale the Civil War generation could not have imagined.
The U.S. Army began purchasing chocolate and candy bars in bulk for the American Expeditionary Forces in France. Candy was included in "comfort packages" distributed by the Red Cross and the YMCA at canteens behind the front lines. For doughboys stuck in the mud and cold of trench warfare, a chocolate bar was one of the few reliable comforts available.
The war also created a lasting association between American candy and generosity. Soldiers handed out chocolate and chewing gum wherever they went. It became part of the American identity overseas: the country that showed up with candy in its pockets.
World War II: the golden age of candy military rations
World War II is where candy became a genuine military technology. The scale of the conflict and the global reach of American forces created logistical challenges that candy manufacturers helped solve.
The D-ration bar is the most famous example. In 1937, the U.S. Army Quartermaster Corps asked Hershey to develop a chocolate bar that could survive extreme heat, fit in a soldier's pocket, weigh about four ounces, and provide enough energy for a full meal. The result was the Field Ration D — a dense, bitter, high-calorie chocolate bar formulated to resist melting in tropical conditions. It was intentionally made to taste just good enough that soldiers would eat it when they needed it, but not so good that they would snack on it casually. By the end of the war, Hershey had produced more than three billion of these bars.
Then came K-rations, the compact individual meal packs introduced in 1942. Each K-ration contained three meals — breakfast, dinner, and supper — and every single one included candy. The breakfast unit had a fruit bar. Dinner included caramels or hard candy. Supper contained a chocolate bar. The Army understood that caloric density mattered, but so did the psychological effect of having something sweet to look forward to after a long day.
M&Ms were developed during this period with a military use case in mind. The candy-coated chocolate resisted melting far better than a standard chocolate bar, making it practical for soldiers operating in warm climates. While the exact origin story has been told in different ways, the military contract that followed made M&Ms a household name after the war.
Chewing gum, Lifesavers, and Tootsie Rolls were also standard issue. Tootsie Rolls became legendary during the Korean War a few years later — during the Battle of Chosin Reservoir in 1950, Marines used frozen Tootsie Rolls to plug bullet holes in fuel lines and radiator hoses. The candy was hard enough in sub-zero temperatures to serve as a makeshift sealant. It is one of the stranger true stories in military history.
Korea and Vietnam: candy holds its place
The Korean and Vietnam Wars continued the tradition. C-rations — the individual canned meals that replaced K-rations — still included candy, typically a small chocolate bar, hard candy, or a packet of jam. Soldiers in Korea dealt with brutal winters, and a frozen candy bar was sometimes the only thing they could eat on the move.
In Vietnam, the tropical heat created different problems. Chocolate melted. Hard candy stuck together. The military adapted by including more heat-stable options and by distributing candy through PX stores and care packages rather than relying entirely on the ration itself. Care packages from home — loaded with cookies, candy, and gum — became a lifeline for morale. Ask any Vietnam veteran about mail call and they will tell you: the packages with candy in them were shared with the whole unit.
Modern MREs: candy is still in the box
Today's Meal, Ready-to-Eat — the MRE — carries on the tradition. Each MRE contains an accessory packet that typically includes candy, often in the form of M&Ms, Skittles, or a commercial candy bar. Some menus include pound cake, cookies, or a fruit-flavored candy. The specific items rotate, but something sweet is always in the mix.
The logic has not changed since the Civil War. Calories matter. Morale matters. And candy delivers both in a compact, shelf-stable package that does not require cooking, refrigeration, or utensils.
The fundamental insight remains the same one Union quartermasters stumbled on in the 1860s: give troops something sweet and they will keep moving.
A tradition worth knowing
The history of candy in American military rations is not just trivia. It is a thread that runs through every major conflict this country has fought. Candy solved real problems — caloric density, heat resistance, shelf stability, troop morale — and the companies that rose to meet those challenges shaped the American candy industry as we know it.
At USA Gummies, we are part of that longer tradition of American-made candy. Our dye-free gummy bears are made right here in the U.S.A. — no artificial dyes, no compromise on quality. It is a different era and a different product, but the principle is the same: make something good, make it here, and make it matter.
If you want to dig deeper into candy's place in American history, check out our piece on America's 250th birthday and the sweet history behind it or our look at Memorial Day candy traditions. And if you want to try the gummy bears for yourself, the shop is open.
Made in the U.S.A. No artificial dyes. Candy that is better for you — and part of a tradition that is older than most people think.
