it was a cannon
Especially... military.
The Assyrians controlled their empire using a powerful military and by torturing dissidents.
They were famous for their powerful army and military skills.
The battering ram.
They defeated the Sumerians who were the first civilization in history.
Horse-mounted warriorsiron weapons
The Assyrians were considered a 'warrior people' by their contemporaries and they were led by a succession of very successful and astute military leaders as kings.
Their life was not that simple. The Assyrians were feared for their military might and their cruelty. They mostly fought and created new weapons and war strategies.
The powerful chariot and siege weapons (catapults and battering rams) that the Assyrians invented.
Rifle
The Assyrian Empire had the strongest and most deadliest military force of Ancient Mesopotamia.