Ace Combat Assault Horizon Cheats

Ground Pounder (20): Use ASM to destroy 30 ground enemies in competitive online.
Guardian (20): Thwart your enemy's plans and return alive.
Gun Master (15): Massacre hostiles as the door gunner.
Guns Guns Guns (20): Destroy 5 hostile vehicles with helicopter gunfire.
Hard Strike (20): Wipe out hostile ground forces with ASM.
Hot Pit (20): Defend the allied base.
Interceptor (20): Use an attack helicopter and destroy 10 missiles or bombs in competitive online.
Life Saver (20): Use an attack helicopter to rescue the captured pilot.
Limbo (10): Fly beneath a falling chimney.
Machine Gun Faithful (10): Use the standard machine gun to defeat an enemy.
Nice Assist (10): Use DFM support or ASM support to join a flight member.
Nice Kill (30): Shoot down many hostile players in competitive online.
Nice Save (10): Save an ally being targeted by hostile players in competitive online.
Nick of Time (20): Prevent the launch of ICBMs by infiltrating the enemy base in a stealth bomber.
One Million Tons of Scrap Metal (20): Weave through a hostile fleet's defense and rescue the hostage.
Patriot (20): Defend the capital.
Pursuit Master (20): Successfully pursue 3 enemies with counter maneuvers.
Shot Master (20): Take down 5 hostiles with a direct shot.
Smooth Flight (20): Protect allied transports from being shot down during landing.
Speed Demon (10): Eliminate the enemy threat to fighters as quickly as possible.
Stay On Target (20): In a helicopter, obtain (zoom in) and destroy 10 enemies.
Steel Hunter (20): From a helicopter, support the special forces while they suppress hostile vessels.
Successive Kill (20): Take down 3 hostiles in a row with an assault chain.
Switch Master (25): Successfully switch from defense to offense 10 times with counter maneuvers.
The Collector (20): Pilot all of the aircraft in the game.
Total Annihilation (20): Eliminate all bombers and prevent the use of a weapon of mass destruction.
Veteran Pilot (20): Play for an extensive amount of time in competitive online or mission co-op.
Warwolf 1 (50): Clear all missions.
Warwolf Squadron (30): Clear all levels in mission co-op.
Welcome to Mission Co-Op (20): Clear 1 level in mission co-op.
World Tour (30): Play on all maps in competitive online.

Call Sign Unlockables
This is how to unlock the call signs for multiplayer in Ace Combat: Assault Horizon.

Anteres: Obtain a total of 1000000 points
Aquila: Obtain 1 survivor reward
Assault: DFM support 100 times
Burner: Win 20 Capital Conquest matches
Cougar: Shoot down more than 100 enemy players
Dragon: Win 10 Capital Conquest matches
Falco: Obtain 1 Ace Striker reward
Galm: Obtain 5 Ace Pilot rewards
Garuda: Complete the campaign
Gator: ASM support 50 times
Ghost: Shoot down more than 100 enemy players online while using an attack helicopter
Gryphus: Obtain 5 Hero rewards
Mobius: Obtain 1 Hero reward
Mohawk: Obtain a total of 100000 points
Phoenix: Place first in a Deathmatch
Racer: Use DFM support more than 50 times
Renegade: Obtain a total of 300000 points
Rex: ASM support 50 times
Scarface: Obtain 1 Ace Pilot reward
Stingray: Win 10 Domination matches
Strigon: Obtain 5 Survivor rewards
Sweeper: Shoot down more than 50 enemy players online while using an attack helicopter
Titan: Obtain a total of 600000 points
Viking: Obtain a total of 20000 points
Wardog: Obtain 5 Ace Striker rewards
Wildcat: Shoot down more than 50 enemy players online