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I have been browsing around and got quite confused about the time these systems entered service Is it correct to broadly categorize them like this? 1960s = DA-02, LW-01, LW-02/03, ZW-01/03/04, M44/45 1970s = DA-05, ZW-06, WM20s, STIR 1.8, LIOD, TDS 1980s = DA-08, LW-08, STIR 2.4, LIROD 1990s = Smart... |
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