I was at Edwards Airplane Patch(mid Mojave Desert) '61 to '64 where I was involved in working on the "H" model tail # 006 of the BUFF running the 1000 hour flight test. They took off from Edwards, flew down over Eglin, refueled midair,then up along the Canadian border to Washington State,refueled again and back to Edwards for maintenance checks. Over and over for 1000 hard hours. The only airplane I liked more was the XB-70 and they crashed all 3 (that they made)at Edwards.