Summary: Part 1: Basic principles of the AI Mark X (SCR720).
Part 2: Use of controls of instrument SCR720B (Reel 1: Ground Returns, Reel 2: "B" Scope Presentation of Various Courses, Reel 3: The Strobe ("C" scope presentations).
Part 3: Interception with the AI Mark X.
Part 4: AI Mark X operational.