> isn't there a HUD and vertical speed warner? On a 1960's SR-71? Probably not [1]. [1] https://en.wikipedia.org/wiki/Lockheed_SR-71_Blackbird#/media/File:Loc

> isn't there a HUD and vertical speed warner? On a 1960's SR-71? Probably not [1]. [1] https://en.wikipedia.org/wiki/Lockheed_SR-71_Blackbird#/media/File:Lockheed_SR-71A_Blackbird,_National_Museum_of_the_United_States_Air_Force,_Wright-Patterson_Air_Force_Base,_near_Dayton,_Ohio,_USA,_cockpit,_forward_view.png https://en.wikipedia.org/wiki/Lockheed_SR-71_Blackbird#/medi...