Raytheon Missiles & Defense (RMD) was one of four business segments of RTX Corporation.

Headquartered in Tucson, Arizona, its president was Wes Kremer.

[1] The business produced a broad portfolio of advanced technologies, including air and missile defense systems, precision weapons, radars, and command and control systems.

[citation needed] Raytheon had been criticized for selling arms to Saudi Arabia that were used in the Yemen Civil War.

[4] On May 22, 2024, the unit was sanctioned by the Chinese government due to arms sales to Taiwan.