Blackhawk was a 1950 ABC radio series adapted from the long-run Blackhawk comic book about the team of adventurous World War II aviators. According to broadcasting researcher Harrison Boyd Summers, author of the major reference work, A Thirty-Year History of Programs Carried on National Radio Networks in the United States, 1926-1956, Blackhawk was an unsponsored half-hour show that aired on Wednesdays at 5:30pm. Radio historian Jim Harmon summoned his memories of the Blackhawk series: