The Resupply Blog

How Long Does Cold Brew Last? (And How to Tell When It's Gone Bad) TL;DR Homemade cold brew lasts 7 to 14 days refrigerated. Cold brew concentrate runs 10 to 14 days. Store-bought sealed stays good until the printed date....

Coffee vs. Matcha: A Direct Comparison (From the Coffee Side) TL;DR Coffee delivers more caffeine (95-200mg vs. matcha's 25-70mg), faster onset, and far more flavor range. Matcha provides smoother, longer-lasting energy via L-theanine and edges out coffee on antioxidant density....

TL;DR Hercules is a blonde roast from Aerial Resupply Coffee, a veteran-owned roastery in Charlottesville, VA. It is a newer roast with 16 verified reviews averaging 4.69 out of 5. Buyers describe it as a smooth, slightly nutty blonde with...

TL;DR Lifeline is a smooth light roast from Aerial Resupply Coffee, a veteran-owned roastery in Charlottesville, VA. Across 60 verified reviews it averages 4.7 out of 5. Buyers highlight its low acidity and easy-on-the-stomach finish, and several dark roast drinkers...

Black Coffee and Weight Loss: What the Research Actually Says TL;DR Black coffee has a real, documented effect on weight loss — modest, not miraculous. Caffeine raises resting metabolic rate 3-11% and increases fat oxidation. It also suppresses appetite for...

TL;DR Cavalry is a classic dark roast blend from Aerial Resupply Coffee, a veteran-owned roastery in Charlottesville, VA. Across 61 verified reviews it averages 4.69 out of 5. Buyers describe a straightforward dark roast with a chocolate note, and several...

TL;DR MOAB is a double caffeinated medium roast from Aerial Resupply Coffee, a veteran-owned roastery in Charlottesville, VA. Across 107 verified reviews it averages 4.71 out of 5. Buyers use it as a clean energy drink replacement and note it...

Coffee Martini Recipe: How to Make One That's Actually Worth Drinking TL;DR A coffee martini uses 2 oz vodka, 1 oz coffee liqueur (Kahlua), and 1 oz fresh espresso, shaken hard with ice and strained into a coupe glass. The...

TL;DR 15W40 is a dark Italian roast from Aerial Resupply Coffee, a veteran-owned roastery in Charlottesville, VA. Across 143 verified reviews it averages 4.86 out of 5. Named after engine oil, it is bold and intense but reviewers consistently note...

TL;DR Spectre is a dark espresso roast from Aerial Resupply Coffee, a veteran-owned roastery in Charlottesville, VA. Across 154 verified reviews it averages 4.92 out of 5, the highest-rated roast in the lineup. Buyers call it rich, bold, and smooth,...

Robusta vs. Arabica: What's the Actual Difference? TL;DR Arabica has better flavor: more complex, less bitter, with natural sweetness and higher acidity. Robusta has roughly double the caffeine and a harsher, more bitter taste. Specialty coffee uses Arabica. Cheap commercial...

TL;DR Fire Watch is a Colombian medium roast from Aerial Resupply Coffee, a veteran-owned roastery in Charlottesville, VA. Across 134 verified buyer reviews it averages 4.85 out of 5. Drinkers describe it as smooth, balanced, low in bitterness, and built...

Is Decaf Coffee Actually Caffeine-Free? (No. Here's Why.) TL;DR No. Decaf coffee is not caffeine-free. The FDA allows coffee to be labeled "decaf" once 97% of caffeine is removed — which leaves 2–15mg per 8oz cup depending on the decaffeination...

Coffee vs. Tea: An Honest Comparison (With a Declared Winner) TL;DR Coffee delivers more caffeine faster, with greater flavor complexity and broader preparation options. Tea offers L-theanine for smoother sustained energy and lower acidity. Both have legitimate health benefits. For...

Pour Over Coffee: The Complete Brewing Guide TL;DR Pour over coffee is a manual brewing method where you pour hot water over ground coffee in a filter, controlling the speed and saturation yourself. It brews in 3–4 minutes, produces a...

The Coffee to Water Ratio Guide That Actually Makes a Difference TL;DR The golden ratio for coffee to water is 1:15 to 1:17 — 1 gram of coffee per 15 to 17 grams of water. Most people under-dose because they...

Why Does Coffee Taste Bitter? (And How to Fix It) TL;DR Coffee tastes bitter because of over-extraction, which is caused by water that's too hot, a grind that's too fine, or a roast that's unforgiving of brewing errors. Fix the...

The Veteran Coffee Subscription That Doesn't Have to Tell You It's Veteran-Owned A lot of companies tell you they support veterans. Some of them are even telling the truth. The ones who are usually don't need to say it as...

    Aerial Resupply Coffee has entered an exclusive sponsorship agreement with Austin Von Letkemann — U.S. Army Intelligence Officer, 12-year veteran, father of four daughters, and the guy behind MandatoryFunDay, one of the most widely followed military content platforms...

At a Pentagon press briefing on April 8, 2026, Chairman of the Joint Chiefs Gen. Dan Caine gave reporters a by-the-numbers look at what kept American forces running through 38 days of combat in Operation Epic Fury. More than 6...

The Marine Corps doesn't have a coffee problem. They have a standard. It's dark, it's aggressive, and it's named after motor oil. Meet 15W40.