English: This Is the Army is a 1943 American wartime motion picture produced by Hal B. Wallis and Jack L. Warner, and directed by Michael Curtiz, and a wartime musical designed to boost morale in the U.S. during World War II, directed by Sgt. Ezra Stone.
This is a clip at 01:23:08 of Ronald Reagan saying, "You know who is out there tonight, Our Boss - The President." Thirty-eight years later, Reagan would be President of the United States.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.