A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Frank Reed
Date: 2020 Oct 22, 14:27 -0700
A team has been testing an inertial-celestial navigation system in the Pyrenees at Pic du Midi. This is similar to the SR-71 system and also the newer B-2 system that we discussed recently.
https://www.aerobuzz.fr/industrie/un-viseur-detoiles-pour-se-passer-du-gps/. Thanks to Luc Desmedt for the link.
Please do not ask for a translation! Learn how to use Google Translate (built right into Google Chrome) if you can't read French. :)