In addition to the research David does for his own screenwriting, he also performs this service for filmmakers, screenwriters, historians, and museums.
In the Spring of 2014 David consulted with Lou Reda Productions on the creation of the third of their WWII in HD series, entitled The Final Offenses. More recently, in the Winter of 2018, Mr. Barrett began working with Scott Reda (President and CEO of Lou Reda Productions), as the story and Historic Consultant and Producer , on a new documentary for National Geographic. After a number of story iterations, in the Summer of 2019 the National Geographic chose “Heroes of the Sky: The Mighty Eighth Air Force” about America's Eighth Air Force in World War II. The show will air globally in prime time May 21, 2020.