The term is defined as refusing to spare surrendering troops and killing them instead, a clear violation of the Geneva Conventions.

The term is defined as refusing to spare surrendering troops and killing them instead, a clear violation of the Geneva Conventions.

Sen. Mark Kelly (D-Ariz.) was persecuted last year by Defense Secretary Pete Hegseth for reminding U.S. troops that they can defy unlawful orders.

Explore the implications of "no quarter" in warfare, its legal prohibitions, and recent controversial remarks by U.S. officials.