Aegis

The  is a mythical shield in the form of a cloak and is associated with Zeus and the Goddess Athena. It is also associated with the concept of a protective shield or protection and/or sponsorship from a higher authority.

In Command and Conquer it can refer to:
 * Aegis Cruiser - Anti-air ship from Red Alert 2
 * Aegis Shield - The Athena Cannon's special ability. It creates a forcefield which protects the Athena Cannon and surrounding units.