Continuity mistake: During the inspector general's visit, Le Beau and Newark fall out with switched hats (i.e. Newark is wearing Le Beau's red hat and vice versa). In the next shot when in formation, they are wearing their own hats.
When Klink is begging Hogan to trade places with him for fear of assassination, he says to him something like."I want to live til 80...all my family has lived til 80." Werner Klemperer, who played Klink, passed away in 2000 aged 80.