Better call Center for your ground speed [1]. [1] https://www.thesr71blackbird.com/Aircraft/Stories/sr-71-blackbird-speed-check-story https://www.thesr71blackb

Better call Center for your ground speed [1]. [1] https://www.thesr71blackbird.com/Aircraft/Stories/sr-71-blackbird-speed-check-story https://www.thesr71blackbird.com/Aircraft/Stories/sr-71-blac...