Why is M*A*S*H considered an antiwar comedy?

Robert Altman’s 1970 film MASH* is considered an antiwar comedy because it used the setting of the Korean War to provide a transparent, satirical reflection on the Vietnam War, which was ongoing at the time of the film's release.12

The film challenged viewer complacency through several distinct techniques:

• Juxtaposition: Altman frequently cut abruptly from bawdy, madcap slapstick to the shocking, visceral horrors of war, forcing audiences to confront the grim reality behind the humor.1
• Anti-Authoritarianism: The protagonists, surgeons Hawkeye and Trapper John, resonated with the American counterculture through their refusal to bow to military authority and their nonconformist behavior.1
• Atmospheric Commentary: By focusing on the absurdity and chaos of the medical staff's environment, the film offered a critique of war that felt relevant to a contemporary audience that had grown increasingly ambivalent about the conflict in Vietnam.12

Ultimately, the film is defined by its ability to balance dark humor with a serious, underlying message about the nature of war, establishing it as a landmark work of black comedy.13