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Originally posted by Zaphod58
Uh, no they haven't. They used the SM-3 that the US NAVY has been testing for years. It's the EXACT same missile and the EXACT same software that the USN has been testing, installed on a Japanese ship.
Originally posted by Zaphod58
reply to post by COOL HAND
So what you're saying is that ALL the sources are wrong, and they're NOT using AEGIS 3.0. Because if it's different software than the US is using, it wouldn't be AEGIS 3.0. Yes, there was a leak, and the US slowed down on delivering ANYTHING to them until they fixed it. Nothing harmful was leaked, just some information. No software, or hardware and anything else of the sort.
Originally posted by Zaphod58
I'm not confused at all. I KNOW the difference between them. And China was developing AEGIS for several years before the Japanese were given it. I don't have time to dig into all the sources or timelines right now but I will later on.
The first Chinese tactical communication links with characteristics similar to NTDS were observed on the 4,200-ton Luhu-class DDGs in 1991. Initial TAVITAC CDS installations took place on the DDG 105 in 1987, and other Luda models in 1987 could have tried the concept. The PLAN link frequencies of 225 megahertz HF and 400 megahertz UHF are the same frequencies NTDS uses and may be part of the Chinese tactical datalink system designated HN-900.
Western vendors have provided Chinese aircraft with the MIL-STD 1553B data bus, which now has been installed on new 052 DDGs. China has used a Type-W datalink provided by France to non-NATO export customers that is similar to TADIL-A. Sovremenny and Ka-25 helicopters are equipped with the A-346Z secure datalink in addition to HF, very high frequency (VHF) and UHF radios. The newest frigates and DDGs 168, 169 and 170 have the HN-900. The HN-900 probably includes some of these foreign datalink technologies. The Russian Light Bulb datalink is positioned above the DDG 170 helicopter hanger, and Bandstand provides coordinated operations between the Russian navy using Chinese datalinks.
A Soviet 1950-vintage A-band Knife Rest early warning yagi radar antenna is aft. This antenna was not on 052B or the Luhu, but it was on the Luhai and 1990-vintage Luda upgrades and Jiangwei frigates. This seems to hint a weakness in the Aegis, which normally should perform such detection.
U.S. intelligence officials say China stole the technology for the Aegis battle management system by setting up a front company in the United States that became a subcontractor for the Aegis system manufacturer.
Reports indicate this radar may be a co-development program with the Kvant-Radiolokatsiya company of the Ukraine. The band and performance of this radar have not yet been publicly reported. The radar may be a developed version of that first seen on the No. 970 weapons development ship, and could either be S-Band or Russian-style X-Band.