Here is the latest trailer for Ace Combat: Joint Assault for the PSP.
New to the Ace Combat series is the “Joint Assault System” which enables multiple players to tackle different maps simultaneously in CO-OP mode. Each player’s actions affect the tactical situation of the other, allowing for missions to evolve in multiple branches. Additionally, Ace Combat: Joint Assault will enable players to compete for aerial dominance in VS battle with up to 8 players via Infrastructure.
Ace Combat: Joint Assault in June.