Excalibur Onslaught I

 is a Special Raid mission in Ace Combat Infinity that has a chance to appear after completing a previous Online Co-Op Mission. It takes place in an unknown location, where the USEA Federation is operating a giant laser tower named Excalibur. Players must work together to destroy it.

Objectives
The mission is completed upon destruction of Excalibur or when 6 minutes have passed, whichever comes first.