39K views · 923 reactions | The groundbreaking M982 Excalibur shell is spearheading a breakthrough in warfare technology that promises to take artillery precision to an astounding 2-meter margin of error. If successful, the M982 Excalibur might start a new revolution in artillery technology that could be as significant as the development of the first gunpowder cannon in the 14th century. | Dark Documentaries | Facebook