>Derk asked why I called this "next generation": because we're talking
>primarily about land-based AA systems here (as opposed to systems mounted
>on aircraft or wet-navy ships), and AFAIK there aren't any land-based AA
>systems using purely passive surveillance and tracking systems in service
>yet. If there is one in service, I'd be very interested in hearing about
>it :-)
Mirador. Um, wait. It uses a LRF (Laser Range Finder). But passive
IR/visible light detection and tracking. Only active when engaging.
There's a naval and a ground based version, ground-based in use with
Venezuelan air force, for one. Naval used in quite some navies.