"You Can't Handle the Truth"
(Socratic Irony) Lt. Kaffee feigns ignorance when questioning Colonel Jessup to evoke a response (which became one of the most famous lines in cinema: "You Can't Handle the Truth") to prove his case
Testifying
(Situational Irony) When Colonel Jessup enters the courtroom, he is sworn in. He affirms to tell the truth, but he does anything but that - something a man in his position couldn't afford to do.
Colonel Markison
(Socratic Irony) Lt. Kaffee feigns ignorance talking about Colonel Markison's death to evoke a response from Lt. Jessup.
Santiago's Death
(Dramatic Irony) Audiences know for a fact that Corporal Dawson and Louden Downey killed William Santiago, but many of the characters don't know this at the start of the film.
Santiago's Murder
(Situational Irony) Dawson and Downey actually murder Private William Santiago, but are acquitted of the murder charges.
