We got a sneak peek at a couple sixth generation 2030 jet fighter concepts from Northrop Grumman and Boeing back in August, but they’re not the only aerospace companies in the fighter game: this unnamed concept from Lockheed Martin is ready to join the party, too.

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Check out Lockheed Martin’s badass 2030 fighter concept

Many US service members are familiar with MREs or “meals ready to eat.” These dehydrated pouches are practical but aren’t exactly know for their good taste. Fortunately, food scientists have developed something new — a sandwich that stays fresh for two years. How is this possible, you ask (and how would it taste)? Find out by watching the video here .

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Video of the Day: US Army sandwiches stay fresh for 2 years

It’s only been about a month since DARPA challenged geeks everywhere to come up with a way to reassemble shredded documents , but we have a winner: a team based in San Francisco named “All Your Shreds Are Belong To U.S.”

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‘All Your Shreds Are Belong To US’ wins DARPA shredder challenge

From yarn to batteries to space elevators , it seems like there’s nothing that carbon nanotubes can’t do. And for their latest trick, they can make things completely disappear.

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Carbon nanotube forests can make things invisible

We’ve made a lot of progress since World War II, and you’d think that the Air Force would be happy to continue with their modern strategy of using smaller bombs and just aiming better. But sometimes, you really need something called a “Massive Ordnance Penetrator,” so it’s a good thing that the Air Force has them now.

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U.S. Air Force gets happy little 30,000 pound bomb

The last time the U.S. military tried flying their hypersonic glider weapon, they ran into a little problem when it disappeared from their control screens. Now they’ve had another try, and this time everything went according to plan.

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Hypersonic weapon flies 2,400 miles at Mach 8 without crashing

The last time the U.S. military tried flying their hypersonic glider weapon, they ran into a little problem when it disappeared from their control screens. Now they’ve had another try, and this time everything went according to plan.

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Hypersonic weapon flies 2,400 miles at Mach 8 without crashing

Several years ago, the military was working on ways of delivering drugs via paintballs . We’re not sure what ever happened with that (probably because they don’t want us to know), but now the Army is interested in paintballs again, this time for detecting bombs.

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Army turns to paintball guns for bomb detection

A little window on the marketing and communications side of the military-industrial complex: How to Be a Retronaut’s gallery of ads for missiles and rockets. Rocket Ads, 1947-1974

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Rockets and missiles in advertising

The Army’s MREs (Meals, Ready-to-Eat) have a bit of a bad rap, as you might expect from any food products that have been engineered to remain edible and nutritious after three years in the desert and a thousand foot parachute drop. But the Army has put some work into them recently, adding in things like caffeinated beef jerky and something called “zapplesauce.”

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Army spices up MREs with caffeinated meat sticks, zapplesauce