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rogerlhelms777@gmail.com's avatar

One of the notable advances of the last year has been fast little quadcopter drone interceptors. The Russians are now making them too. They rely on ground based radar, so like the EW installations, they are putting out electromagnetic waves that can be triangulated to a target identification. If you could take down Russian jamming defenses and interceptor capabilities in an area for a day, and used your own interceptors to clear the sky of Russian reconnaissance drones, you could do what you wanted on the ground.

Constantin's avatar

Using terrain matching to figure out a flight path is an interesting old-is-new approach?

IIRC, some pre-GPS cruise missiles used it in addition to inertial navigation gyroscopes? Ditto the Panavia Tornado in the early 1980s? For the latter, it was a matter of survival, since it was designed to fly just above treetop level at Mach 2. Terrain following radar only goes so far, you better have a good idea of what to expect along the route also - ie high voltage power lines, for example.

GPS was revolutionary, now militaries have to learn how to live without it while fighting (near-) peers. Thankfully, the insanely intricate mechanical gyroscope systems of the 1970s have been replaced by solid state systems. Much lighter, easier to maintain, and cheaper.

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