Their F9R test vehicle could hover. Isn't that essentially a mockup Falcon 9 first stage, but with only the centre engine? https://www.youtube.com/watch?v=Zww

Their F9R test vehicle could hover. Isn't that essentially a mockup Falcon 9 first stage, but with only the centre engine? https://www.youtube.com/watch?v=ZwwS4YOTbbw https://www.youtube.com/watch?v=ZwwS4YOTbbw