By 1940, he had spent time as a film editor, second unit director, assistant director, and had become a seasoned professional in the business. (sensesofcinema.com)
The purpose of the trip was capture more second unit photography, taking in more of the images and sounds to add to the texture and authenticity of the upcoming film. (indiewire.com)
Still, if he can get it figured out sooner rather than later, he can be a serious second unit threat. (sbnation.com)