Where does CGI stop and live action begin? With a tag line “It’s not science fiction”, the United States Air Force leap into action in Csar, a recruitment ad. Live action if not reality as I understand it though the ad is very well directed by Phil Joanou for GSD&M Idea City – click on link for full credits. Based in Austin, Texas, the advertising agency is proud to defend America by convincing young men and women to join the armed forces. Back to the original question. I reckon it's when the two parachutists land. "It's what we do every day."