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M56 (81 mm HE Mortar Bomb)
The M56 was a World War 2 (WW2)-era developed US, 81 mm, high capacity, thin-walled, high explosive (HE) mortar bomb round. The M56 is a further development of the M45 round, with details of their differences are covered in the 'M45/M56 Differences' area. The M56 uses the same bomb body and fin assembly as the M53 'FS' filled and M57 white phosphorus (WP) filled smoke bombs. The M56 would be modified to produce the M56A1, with details o...
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