| 1. | The gun utilized the barrel of the 75 mm pack howitzer.
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| 2. | In August 1945, following the conclusion of the pack howitzers or mechanised.
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| 3. | The 75 mm pack howitzers across the Ilu river to provide artillery support.
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| 4. | The MCTU # 1 initially began as a 75mm pack howitzer artillery battery.
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| 5. | The 105mm pack howitzer was used between 1963 and 1966 in internal security role.
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| 6. | The 75mm Pack Howitzer M1 used the same projectiles fired from a smaller 75x272R case.
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| 7. | Artillery support was provided by 75 mm pack howitzers of the 2nd Battalion 10th Marines.
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| 8. | At that time, each battery consisted of four 105mm pack howitzers ( Italian Mountain Gun ).
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| 9. | The Chinese manufacturer NORINCO offers a version of the Model 56 pack howitzer and its associated ammunition.
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| 10. | In 1964 the battery changed to 105 mm L5 Pack Howitzers and later to the 105 mm M2A2.
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