The destroyer BZ Greenhalgh (M 3) of the Brazilian Navy.
Technical information
| Type | Destroyer |
| Displacement | 1500 BRT |
| Length | 104m |
| Complement | 210 men |
| Armament | 4 5" guns (5x5) 4 40mm AA (2x2) 8 20mm AA (8x1) 4 21" torpedo tubes (1x4) |
| Max speed | 36.5 knots |
| Engines | Geared turbines, 2 shafts |
| Power | 42800 HP |
| Notes on class | Based on the US Mahan-class destroyers. |
All ships of the Marcilio Dias class
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 | Greenhalgh (M 3) | |
| Marcilio Dias (M 2) | ||
| Mariz e Barros (M 1) | ||
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Brazilian Navy (more on See all Destroyer classes.
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