A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: John D. Howard
Date: 2016 May 6, 08:10 -0700
In the early 1970's a C-141 was modified to carry a gyro-stablized 36 in. cassegrain telescope. Before Hubble and other space telescopes the C-141 could fly above 40,000 ft. for up to 9 hours. It was owned by NASA and called the Kuiper Airborne Observatory.