Aerospace Center Defense (HARD)

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For the normal version of this mission, see Aerospace Center Defense.

This article is about an in-game mission. For the in-universe event, see Operation Count Down.

Aerospace Center Defense (HARD)
Online Co-Op Missions Ace Combat Infinity
Mission Order
Alternate	Tokyo Martial Law Aerospace Center Defense Pipeline Destruction Alps Air Corridor Dubai Night Assault Weapons Base Assault Moscow Battle Area B7R Dogfight Battle Avalon Dam Invasion Adriatic Sea Landing Operation Tokyo Martial Law (HARD) Pipeline Destruction (HARD) Dubai Night Assault (HARD) Alps Air Corridor (HARD) Weapons Base Assault (HARD) Moscow Battle (HARD)
Mission Details
Focus	Air-to-air/ground
Objectives	Destroy all enemies.
Time Limit	3 minutes
Focus	Random Mission Update Air-to-air/ground
Objectives	Random Mission Update Destroy all remaining enemies.
Time Limit	3 minutes + leftover time from previous stage
Objectives	Destroy all hostile reinforcements.
Time Limit	Remaining time from previous stage

Aerospace Center Defense (HARD) is a more challenging version of the Online Co-Op Mission Aerospace Center Defense, featured in Ace Combat Infinity. It takes place over Comona Base.

S Rank

As with other HARD Online Co-Op Missions, achieving an S Rank on Aerospace Center Defense (HARD) requires teamwork among all players. There will be difficulty in trying to earn the S rank with only 4 players.

One possible distribution of players would be to have at least two players for air-to-ground attack, at least one player for air-to-air attack, and at least one player for air-to-ship attack.

Debriefings

E or D Rank

While the enemy was prevented from obtaining it for themselves, the Space Station took considerable damage. We will have to struggle on without satellite surveillance until it can be repaired.

C or B Rank

The enemy forces have retreated, perhaps to avoid unnecessary losses. It is unlikely they have given up on the Space Center, but for now the operation is a success.

A Rank

The enemy forces have been driven off after sustaining major casualties. Damage to the Space Center was minimized, proving to the enemy that it will not be easy to outsmart our forces.

S Rank

Enemy forces on land, sea and air have all been destroyed.
Your attacks have prevented the Space Center from sustaining damage.

Trivia

• Currently, the background music of this mission is "Imminent Threat" from Ace Combat 04: Shattered Skies Original Soundtrack, replacing Comona (INFINITY Remix) since Update 12.