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The logo of the International Fleet.

The International Fleet, later known as the Interstellar Fleet, was a military organization formed to protect Earth from the Formics after the end of the First Formic War.[1]



After the end of the First Formic War, the nations of the world came together to establish multiple governments, militaries, and leadership positions to defend Earth from future attacks from the Formics. Along with the creation of the Hegemony and the offices of Polemarch and Strategos, the International Fleet was formed to be a military presence in the Solar System, protecting the human race from any hostile aliens who try to invade.[1]

The Fleet, along with the Hegemony, established International Fleet Common as the official language of the International Fleet to unify humanity against the Formics.[2]

The Swarm

After its formation, the International Fleet began researching experimental weapons and establishing outposts in the two Belts. However, the organization was plagued with bureaucrats that were more interested in furthering their careers than winning the fight with the Formics.[2]

Post-Second Invasion

Following the Second Formic War, the Fleet declared that they had positioned a huge navy of ships beyond the comet shield to guard against a future attack. In reality, they had begun sending armed starships to the homeworlds of the Formics, to launch an invasion against their planets.[3]

The International Fleet also sent Mazer Rackham on a starship in order for him to age slower and still be alive to command the fleet when it arrived at the homeworlds of the Formics. Mazer took himself hostage and said he would not return to Earth unless they found a different fleet commander, and arranged to have the young Hyrum Graff set up the Battle School and other institutions to train possible candidates.[4]

Third Invasion

When the fleet arrived at the Formics' solar systems, the I.F. had found its commander - Ender Wiggin. Through weeks of grueling battles against an inscrutable opponent, Ender and his Jeesh emerged victorious by firing the Molecular Disruption Device at the Formic Homeworld, annihilating the Hive Queens and destroying the Formics for good.[3]

After the Third Formic War, the I.F. was banned from operating on Earth except in the event of another alien invasion[5].

The Investment Counselor

Sometime before 300 AX, the International Fleet was reformed into the Interstellar Fleet.[6]



WAMRED was the International Fleet’s Weapons and Materials Research Division. The purpose of WAMRED was to test any new technologies developed that could be used to attack the Formics. The division was stationed in its own space station. Mazer Rackham and his breach team, consisting of him, Rimas, Shambhani, and Kaufman, were a part of this division.[7]


The International Fleet utilized a variety of ships to accomplish their objectives, ranging from personnel shuttles to interstellar warships.[3]


This small craft was primarily used to transport Fleet personnel between I.F. installations and bases. The shuttles were notably used to transfer new Launch Groups to Battle School.[3]


The International Fleet starfighter was the primary warship for attack and defense in the Third Formic War. Each warship carried a small complement of fighters.[3]


  1. 1.0 1.1 Earth Awakens
  2. 2.0 2.1 The Swarm
  3. 3.0 3.1 3.2 3.3 3.4 Ender's Game
  4. "Mazer in Prison"
  5. Ender in Exile
  6. "The Investment Counselor"
  7. The Swarm

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