What is the use of satire in catch 22?

Satire in "Catch-22" is used to criticize and mock the absurdities of war, bureaucracy, and societal norms. Through humor and irony, author Joseph Heller exposes the irrationality and illogical reasoning that govern the characters' actions. Satire highlights the contradictions and paradoxes inherent in systems of power and control, creating a sense of unease and disbelief in the reader.