M39 cannon
Sp Anti-Aircraft Gunconfirmed
The M39 cannon is a 20 mm caliber single-barreled revolver cannon developed for the United States Air Force in the late 1940s. It was used on a number of fighter aircraft from the early 1950s through the 1980s. The M61 Vulcan has replaced it in most roles.
Specifications
| Type | Sp Anti-Aircraft Gun |
| Origin | United States |
| Manufacturer | Pontiac, Ford, FMC Corporation, and others |
| Introduced | 1952 |
| Status | In service |
| Weight | 0.08 t |
| Length | 1.83 m |
| Caliber | 20 mm |
Operators
| Country | Quantity | Confidence |
|---|---|---|
| Taiwan | — | confirmed |
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