Cool airplanes interest almost everyone.

I wasn't sure what the aircraft on the ground was (above it you see the B52 that it used for piggy back rides to test altitude) , but 3 readers used the comment feature to let me know it was the Northrop HL 10, used to do flight research on aircraft design for unpowered reentry from space, utilizing the speed of falling to create lift for the controlled flight of the spacecraft. More interesting