originally posted in:Sapphire
First, great post. I haven't seen a news article go into such detail before, so I'm glad that some media outlets are attempting to delve into their capabilities. Second, North Korea has an extremely outdated navy and air force. I mean, quite honestly, both would be destroyed fairly quickly in war. The only threat is the AN-8, a small twin engine plane that is undetectable on radar. It can be used to deliver SOF into the ROK. The same goes for their submarine flotillas.
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Except when flying at extremely low altitudes, the AN-8 is still detectable on radar; as it stands, Australia's Jindalee radar network can detect a Cessna 172 (single engine 4 seater civilian plane) taking off in Papua New Guinea (a couple of thousand km away); I can guarantee that a fighter, AWACs, etc could detect a larger aircraft (AN-8) from a far shorter distance. If IR detection is used, it won't matter what altitude they fly at as well.
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Nope, the mountainous terrain near the DMZ makes it nearly impossible for radar to detect a small plane flying in between the mountains and hills.
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The DMZ is only one place of many though; I wouldn't see North Korea having too many issues getting troops to the DMZ; they have dozens of tunnels for that purpose.
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Of course, they have a variety of methods to send troops over into South. Tunnels, AN-8s, submarines, blowing a giant hole in South Korean line, etc.
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In fairness, JORN is a [i]bloody mahoosive[/i] installation. Ship-mounted, AWACS-carried and land-based installations in and around the Peninsula will be nowhere near as powerful.
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True, but keep in mind that required energy levels increase at a higher rate than the range you're trying to detect at; one of Australia's E-7A Wedgetail aircraft (which South Korea has also recently bought 4 of) can detect another aircraft at up to >600km, and can detect a frigate at >240km.
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But because they have lower powered sets, they will not only have reduced range, but also reduced resolution. The the point when a small aircraft flying at low altitude, such as an An-8, may not appear.
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Range is directly related to resolution; the fact is, an E-7A, or equivalent aircraft, will picked up an AN-8 (unless it's been remade out of wood) within about 200km, regardless of altitude.
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Their submarines are definitely interesting...never really knew that they had so many of them.