Hear the feedback from the ground.
[video=youtube;tIvH3clONVI]http://www.youtube.com/watch?v=tIvH3clONVI&feature=channel_video_title[/video]
[video=youtube;tIvH3clONVI]http://www.youtube.com/watch?v=tIvH3clONVI&feature=channel_video_title[/video]