Aerospace & Defense
The Maus Tank: Frontal hull armor ran 220mm, the sides 190mm — thinned deliberately to save weight. The turret front was 240mm, the gun...
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The Maus Tank: Frontal hull armor ran 220mm, the sides 190mm — thinned deliberately to save weight. The turret front was 240mm, the gun...
No tanker on earth could carry JP-7, so the Air Force built one for the SR-71 Blackbird. The KC-135Q had isolated tanks and separate...
Ordinary pressure hulls were steel. Project 661 (also known as the Papa-Class or the K-222 submarine) used titanium alloy, which meant the Soviet Union...
The Air Force never advertised. A board met at Beale roughly every six months to fill seats opening seven to nine months later, working...
Ninety-two bars is roughly what you feel 3,000 feet underwater. Soviet engineers answered it by building what were effectively robotic deep-sea vessels aimed at...
The AN/APG-78 Longbow radar sits above the rotor mast, so an AH-64 Apache can stay hidden behind terrain with only the radar exposed. It...
Perseverance and Curiosity have spent years on Mars choosing targets and repositioning instruments. Venera 14 had under an hour before Venus destroyed it. Every...
Cadmium-plated steel tools embrittled titanium on contact, so Lockheed had to build new tools out of titanium for the SR-71 Blackbird. Parts washed in...
The Varyag aircraft carrier had no propulsion and no crew, so it had to be dragged. Turkey refused passage through the Bosphorus for sixteen...
Two rotary launchers in the internal bay give the Tu-160 up to 12 cruise missiles. The armament list runs Kh-55SM, Kh-555, Kh-101/102, and the...