Just a few hours before the CRS-3 Launch Elon Musk tweeted: “Hexacopter drone vid of 1st F9 rocket booster takeoff & landing w flight design legs”
The now retired Grasshopper can been seen in the background at the beginning of the video in right side of the frame and at the end of the movie in the upper part of the frame.
Falcon-9R test vehicle will be used to test descents from high altitude and supersonic speeds, to perfect precession landings on a landing pad.
