# Cavity Magnetron
**Entity class:** Technology
**Research spine:** [[research/Chronology of Signals, Silos, and Sovereign Software - Research|Chronology of Signals, Silos, and Sovereign Software]]
## Definition
The cavity magnetron is a high-power microwave generator developed at the University of Birmingham in 1940 and transferred to the United States through the Tizard Mission.
## Chronological Proximity
Its 1940 breakthrough coincided with the [[wiki/Battle of the Beams|Battle of the Beams]], the creation of the [[wiki/National Defense Research Committee|NDRC]], and the opening of the [[wiki/Radiation Laboratory|Rad Lab]].
## Relational Proximity
The [[wiki/Tizard Mission|Tizard Mission]] carried the device to the United States, where the [[wiki/Radiation Laboratory|Radiation Laboratory]] organized further development and manufacture.
## Collection Routes
[[collections/The Civilian Intelligence Marketplace|The Civilian Intelligence Marketplace]] · [[collections/Terrorism, Counterterrorism, and the Intelligence Environment|Terrorism, Counterterrorism, and the Intelligence Environment]] · [[wiki/Signals, Silos, and Sovereign Software|Signals, Silos, and Sovereign Software]]
## Sources / Provenance
- [[research/Chronology of Signals, Silos, and Sovereign Software - Research|Chronology of Signals, Silos, and Sovereign Software - Research]].