I never had it happen to me, but during a change of command ceremony at MacDill AFB, a couple of airmen passed out. Of course it was hot, and we were on the flight line. I always made it a habit of wiggling my toes and semi bending my knees. But of course I was always in the back row because of my height, so I could pretty much get away with flexing my knees, moving my feet and not be noticed.

The worse thing I remember though is wearing those stupid corafam shoes. On hot days, standing on the flight line, it's like wearing saran wrap around your feet!