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M1A1 (ERFB Smoke)
The M1A1 ERFB (Extended-Range Full-Bore) smoke is a 155 mm bursting white phosphorus (WP) projectile, which may be fitted with a base bleed unit (BBU) or a hollow base (HB). The ERFB projectiles are thought to have originally been the result of a Canadian/USA development program, which would result in later programs such as between the Belgium company PRB SA and South African company Armscor. ERFB projectiles of various natures would be pro...
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