I find it remarkable that magnetic core memory was used in (semi-)modern fighter aircraft. Their systems have to pass extreme vibration testing, and you would think that core memory would be very susceptible to vibration.

Core memory was in use a lot longer than people think. Some fighters being produced as recently as the 1980s still used it.

According to http://madrona.ca/e/coremem/index.html

> I have seen it [core memory] in service as recently as 2004 in a telephony control application