Saturday, September 27, 2014

Horse Before the Cart- How Stealth Was a Bad Idea, But Helped Forward Radar Technology

So the 60's was a great time of invention for military aviation... jet engines, guided missiles, and RADAR. RAdio Direction and Ranging. RADAR. Airborne objects miles and miles away could be detected, designated and have explosive packages sent their way without ever casting a shadow on a human being's retina. It was so good it was a weapon in and of itself. Big, skyscraper-sized antenna farms soon got miniaturized to a few clothes-dryer fences poking out the front of a fighter. A new era of aerial combat was begun.

The antennas became smaller, and basic computers entered the loop. They could now map out the ground and find building-sized targets, or detect groups of fighters 20+ miles away. More advanced computers came along, and from 30 miles away the face of spinning engine fans gave away what kind of plane you were. Electronically-steered arrays of radars came about and now from 50 miles away, it could be seen what kind of payload your jet is carrying. And well, that seemed to be that. Nowhere else for radar to go. I see you a weather system away and whoosh you're dead 30 seconds later. A new technology came along, EW, or Electronic Warfare, where a radar signal could be blocked, blinded or spoofed.

And that worked fine for us. Our adversaries caught on to or stole the tech from us, and began trying to use it against us. So, we just developed new technology- stealth. Area rules, plane angles and radar absorptive materials now wrapped out military airframes and made them hard to useless to detect by the enemy. Even our own, older-but-still-in-service fighters couldn't detect them with what we had boasted as the best radar tech in the World. We chuckled over how frustrated our enemies would be in the next war.

Until, that is, our adversaries figured out stealth with a twist, and U.S. ingenuity had to deal with them. They were current, fast and deadly, and all our current radars had real trouble detecting them down low to the ground, where radars have to fight ground clutter and EM interference to detect, track and launch against.

Now, by stealth aircraft I'm not talking about the latest Russian and Chinese stealth fighters, which aren't even in production yet. I'm talking about stealthy cruise missiles that carried nice, big surprises of unhappiness that could be launched from a hundred miles away by long-range aircraft that, while big and slow, had the navigation down to get just close enough to launch against or coast, turn around, and outrange our fighters as they launched these invisible little bees. At which point the targets aren't the bombers anymore, they're the six or 1/2 dozen or the other stealthy cruise missiles that each of the bombers just launched.

"So, that's okay," some military-minded geeks said, "we can re-design AESA radars and pump up the software behind them with new algorhythms to detect those." And we did. With all the intent being, "We've got to stop these missiles from breaking through." And we did it. With a nice side effect. Now, our radars could not only detect stealth missiles, flying low and fast between trees and laundry fences... they could detect stealth fighters.

Oops. Was I supposed to make that public? Well, yeah, it's out there. But the military knew it before we did, and started slapping those new radars into all our fighters. So now, our 20-30 year old fighters can detect stealth fighters, at long range, and shoot them down, inmultiples, simultaneously.

Which is kinda funny, and I'll tell you why. With all the success we'd accomplished with stealth fighters, our adversaries began designing stealth fighters, too. China and Russia. Pre-production jets flipping around the sky, now, saying, "Ha-ha! We have caught up with America and are now as stealthy as they are! Ha-ha! Fear us!"

Except we don't, because now we can shoot them down like they're flying tennis courts anyway.

Hence, our own technology, can shoot down our own technology, no matter who uses it.


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