>>If memory serve me correctly the F-35 during design was supposed to be VTOL. Does anyone know if the spec was changed or am I mistaken.<<
It can take off vertically if it needs to. Short-takeoff allows it to get in the air with more fuel and ordinance. Vertical takeoff video below.
https://www.youtube.com/watch?v=zW28Mb1YvwY
Thank you! I didn’t think that I was losing it! ;-)