ORIGINS AND EARLY MILITARY USES

The Chinese began to use rockets as military weapons against the Mongols around 1045. It is certain that by that time, the use of gunpowder and rockets was an integral aspect of the Chinese military tactics.

Due to poor guidance capabilities, these early rockets had more psychological effect than military use. Rocket "fire-arrows" were used to repel Mongol invaders at the battle of Kai-fung-fi in 1232.

According to reports, when the rocket was lit, it made a noise that resembled thunder that could be heard for five leagues - about 15 miles. It is claimed that when it fell to earth, the "fire-arrow" caused damage within a 2000-foot radius.

Range comparison - 11 football fields or 2000'
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