I was just curious. The precursor was the Tartar system, on Spruance=20 class destroyers. That was the system I worked on in the Navy. The=20 AN/SPS39 was a phased array height finding search radar, and the=20 AN/SPG51 ('my' radar) was guidance. The 51 was retained under Aegis,=20 although the 39 was replaced by the AN/SPY1, which is the actual=20 hexagonal antennas that people associate with Aegis. I know it's not a=20 secret, just didn't know how well it was known outside a small circle. Kerry Olin Lathrop wrote: > Kerry Wentworth wrote: > =20 >> Is Aegis common knowledge these days? Or do you have some specific >> experience with it? >> =20 > > The Aegis radar on the Arleigh Burke class destroyers has been publicly > known for a long time. I'm sure a bunch of important details are > classified, but the general principal of a phased array radar is well kno= wn, > and didn't originate with the Aegis system anyway. Besides, it wouldn't > take experts on the other side long to figure out what the funny looking > large hexagonal panels high on the sides of the ship are for. > > > ******************************************************************** > Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products > (978) 742-9014. Gold level PIC consultants since 2000. > =20 --=20 Internal Virus Database is out-of-date. Checked by AVG Anti-Virus. Version: 7.0.289 / Virus Database: 267.11.13 - Release Date: 10/6/05 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .