Alexander the Great's cavalry bodyguard were known as the Companion cavalry.

It is a common mistake to portray the Companion cavalry as a force able to burst through compact infantry lines.

In battle, they were used in a shock role to protect the right flank of the Companion cavalry.

As expert as the Companion cavalry was, Alexander had placed himself in a vulnerable situation.

He spearheaded the assault of his heavily armed Companion cavalry, who quickly made deep cuts into the Persian left flank.

Philip and his Companion cavalry were caught now between hammer and anvil.

Antipater reported 84 dead among the Companion cavalry.

Alexander had led the Companion cavalry in a charge on the enemy's left flank.

Companion cavalry would ride the best horses, and receive the best weaponry available.

The hetairoi (Companion cavalry) was considered the strongest of their time.