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20
MM Gun System
This information was provide by the USS WASHINGTON BB56 |
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Barrels | 20-65 | |
---|---|---|
Mounts | 20-65 | |
Projectile Weight | 4.3 ounces | |
Muzzle Velocity | 2,740 feet per second | |
Range | Surface
Barrel Elevation = 35 deg. |
4,800 yards (2.7 miles) |
Anti Aircraft
Barrel Elevation = 90 deg. |
10,000 yards (5.7 miles) | |
Firing Cycle | 450 rounds per minute or 7.5 per second |
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This is the 20mm single mount with
the
Splinter Shield removed. They were used as the last defense when a plane got past the 5-inch and the 40mm guns. |
Here are the 20mm Guns with Splinter
Shields in place. The gunsights on this photo were scratched out by Censors because they were top secret at the time! |
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Weapons | 16 Inch
Armament |
5"MK 38
System |
5"MK
42
System |
5"MK
45
System |
5"62
System |
40MM
System |
76MM
System |
3"50
System |
MK
38
System |
20MM
System |
Standard
Missile |
Tomahawk
Missile |