Mobius 1

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"There's one thing I can say for certain. Heroes really do exist. We've just seen one, and now he's coming home."
― AWACS Sky Eye
Mobius One
Mobius 1 plane
Physical Description
Gender Male
Biographical Information
Also Known As The Grim Reaper, The Ribbon Fighter
Nationality Republic of Amber/Republic of Delarus/FCU (Debate)
Equipment F-4E Phantom II (first flight)
F-22A Raptor
F-14A Tomcat (show in a picture)
depent player's choice
Affiliations Independent State Allied Forces (118th Tactical Fighter Wing)
Real World Information
Appearances Ace Combat 04: Shattered Skies

Ace Combat 6: Fires of Liberation (Ace of Aces Mission)

Mobius One (メビウス・ワン Mebiusu Wan) is the main character of Ace Combat 04: Shattered Skies, and is arguably one of the most successful aces ever to take to the skies. He was a key figure in helping the Independent State Allied Forces (ISAF) achieve victory in the Usean Continental War, as well as in its efforts against the Free Erusea forces following the war. 

During his ISAF tour of duty, Mobius One flew various aircraft ranging from light interceptors to all-weather, multipurpose, ground attack, and even stealth-capable air superiority fighters. His signature aircraft was the ISAF blue-tinted F-22A Raptor, which remained his fighter of choice following the end of the Usean Continental War.

The total number of air victories achieved by Mobius One is one of the highest ever to be achieved by a single pilot. This is evident in his flawless track record, having never been shot down during a mission and having risen from the position of rookie to top ace in less than twelve months. In the aftermath of the Usean Continental War, his flying skill was evaluated to be equal to that of an entire squadron.

Mobius One remains iconic to the Ace Combat franchise to this day. Aside from occasional minor references, he is featured as a non-canonical character in several other games, and Mobius-based alternate color schemes have been made available for both in-game purchase and downloadable content across the series.


Usean Continental WarEdit

On his first combat mission, Mobius One singlehandedly shot down six Tu-95 Bear bombers, making him an immediate ace, along with their fighter escorts at New Field Island. Thereafter, Mobius One continued to perform extraordinarily well in combat operations; in particular, he is credited with the destruction of the Erusean super-weapons Stonehenge and Megalith. He also is the first pilot to shoot down a member of the world renowned and feared Erusean ace fighter pilot unit known as Yellow Squadron, personally shooting down both Yellow 4 (when that squadron responded to his destruction of Stonehenge) and Yellow 13 (during the Siege of Farbanti). He was the involved in such operations as:

Mobius One was the only pilot of the 118th Tactical Fighter Wing throughout the entire war. During Operation Judgment Day the squadron was granted new pilots and renamed Mobius Squadron for their last official mission.

Operation KatinaEdit

In 2006, he returned to Erusea to defeat the last of the Erusean extremists calling themselves "Free Erusea." Only Mobius One and AWACS Sky Eye were sent, but together they effectively crushed the resistance putting a halt to their operations.

During the last battle against free Erusea, Mobius One was engaged by four to six X-02 Wyverns. Despite the technologically more advanced Erusian fighters, he successfully managed to destroy them and afterwards returned to base safely. There are no records indicating what became of Mobius One after the end of the conflict.

Characteristics and personalityEdit

Nothing is known of Mobius One's identity, apart from his callsign and the nickname he earned late into the Usean Continental War. He is most likely male, given that SkyEye called him "he" or "him" repeatedly at the end of the game and the fact that he began the game as an aircraft carrier pilot may indicate he was initially part of the naval aviation of his country rather than a ground based air force pilot.

Appearances in other gamesEdit

Mobius One's legacy has led to several cameo appearances and references in future Ace Combat titles.

  • Ace Combat 5: The original color livery of the F-22A is the SP paint of the OADF F-22. However, the engine nozzles lack their golden coloring.
  • Ace Combat Zero: Mobius One's paint scheme is the "Soldier" scheme of the F-22A. In addition, Mobius One makes a physical appearance as the end boss of the special stage, The Gauntlet. The game files contain a .vut file with the comment *Mebiusu 1_-_Megalith Alt, an allusion to the starting altitude of Megalith, 6666 feet.
  • Ace Combat 6: The Mobius livery is a download color for the F-22A, dubbed the "F-22A -MOBIUS-", which achieves high battle capability at the expense of losing all armor. In addition, a pilot called Mobius is referred to in background chatter in the Chandelier Mission when a character is heard saying "Mobius One back me up" softly. As well as him being mentioned in the Chandelier mission, Mobius One's name can be heard in the cinematic clip at the beginning of the Selumna Peak mission.
  • Ace Combat: Joint Assault: Mobius is one of the "legacy" enemies appearing in the special mission "Ace of Aces", being the 70th aircraft the player must face. He intially fights slowly, but later adopts the aggressive flight patterns of the Varcolac Squadron.
  • Ace Combat Infinity: In line with the various references to Shattered Skies' plot, Mobius' nickname of "The Grim Reaper" is adopted as the callsign of the player character, Reaper.


  • Mobius 1 and Yellow 13's paint schemes are found in most games of the series following AC04.
  • In AC:AH, his callsign and paint scheme are awarded to the player after being titled a "Hero" once in online multiplayer. (dealing the final blow to the enemy's HQ in Capital Conquest.)
  • He makes non-canonical appearance as an enemy ace in several games:
    • In Ace Combat Zero, Mobius 1 can be fought in the bonus mission The Gauntlet. He only appears on Ace difficulty and under the condition that the player shoots down Espada Squadron in under one minute.
    • In Ace Combat 6, Mobius 1 can be fought in the Ace of Aces DLC mission "Heavy Command Cruiser".
    • Mobius 1 appears as an enemy ace in Ace Combat: Joint Assault's mission, Ace of Aces, after shooting down the 69th aircraft.


Start a Discussion Discussions about Mobius 1

  • Who is this masked man?

    9 messages
    • I'll love to see mobius 1 and warwolf 1 vs yellow 13 and Markov.
    • wrote:I'll love to see mobius 1 and warwolf 1 vs yellow 13 and Markov. Replace Warwolf 1 with Galm 1 and Markov with Pixy.
  • Bone Arrow 4 > Reaper > Mobius one

    3 messages
    • That's right, they did it intentionally.
    • You are Bone Arrow 4, aka Reaper in the first and second Campaign missions in Ace Combat Infinity. And you run exactly those missions...

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