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This article is about the military of the United Republic of Nations. For other similar uses, see Military (disambiguation).

The United Forces is the main military of the United Republic of Nations and serves as its first line of defense. Reflecting the multi-national makeup of the Republic, the Forces' troops include firebenders, earthbenders, and waterbenders, as well as nonbending soldiers.[2]


Anti-bending Revolution

During the battle for Republic City, Tenzin sent word to the United Forces that the city had come under attack by the Equalists. After receiving the tip, a contingent from the United Forces began traveling toward Republic City via a fleet of large battleships led by General Iroh, intending to liberate the large metropolis.[2]

Battleships used by the United Forces' First Division were sunk by the Equalists.

Three days later, the First Division arrived and sailed into the waters of Yue Bay, encountering no initial resistance from the Equalists. However, as they neared the city, the ships were caught off guard when they inadvertently detonated several naval mines, placed in a defensive line by the Equalists. Not long afterwards, a large formation of biplanes, invented by Hiroshi Sato, attacked the crippled fleet from above, dropping bombs and torpedoes onto the warships before flying away. The firebenders and earthbenders were able to shoot down several planes with cannons and earth discs, while General Iroh himself was able to dispatch two planes before he was knocked into the water by an incoming bomb. Nonetheless, the battleships were not able to withstand the attack, and soon after, the remaining ships were either sinking or heavily damaged.

After the Equalists' air force was defeated, the Second Division of the United Forces arrived at Air Temple Island.

General Iroh survived the destruction of his division and retreated underground with the help of Avatar Korra. Later on, he used Gommu's previous experience as a telegraph operator to send a message to Commander Bumi, leader of the Second Division. Iroh advised Bumi not to approach Republic City until he received a signal from the general, instead ordering the commander to hold position at Red Sand Island, as none of the naval vessels used by the United Forces were suitably armed to take on Hiroshi's new combat planes. The Second Division arrived at Air Temple Island shortly after Iroh, Bolin, and Asami destroyed the Equalist air force.[3]

Unalaq Crisis

Six months after the Anti-bending Revolution, Korra requested that President Raiko, the commander-in-chief of the United Forces, deploy them to the South Pole in order to aid the Southern Water Tribe in the Water Tribe Civil War. However, Raiko refused to grant military aid, desiring to remain neutral and resolve the civil war by diplomatic means. Korra subsequently went directly to General Iroh, who plotted to bring his fleet to the south for training exercises as an excuse to engage the Northern forces. However, Raiko, who had been tipped off by Mako, discovered their intent and threatened to court martial Iroh if he disobeyed his direct orders, effectively placing the entire United Forces on lockdown.[4]

The United Forces Navy fired upon the Dark Avatar in vain when Republic City came under attack during Harmonic Convergence.

When Korra later returned with the news that Unalaq intended to unleash Vaatu and destroy the entire world, Raiko again rejected her call for help, keeping the United Forces on high alert in Republic City in order to protect its citizens.[5] General Iroh patrolled the bay with his ships, while the Air Force controlled the sky. When the Dark Avatar arrived, the United Forces opened fire, though their attacks were ineffective against him. Unalaq used his enhanced power to push the battleships aside with his waterbending, while using his tentacles to pull the biplanes out of the air.[6]

Kuvira's threat

In 174 AG, the United Forces were called upon to escort Prince Wu safely back to Ba Sing Se after his coronation as the new Earth King.[7] However, the plan was put on hold when Kuvira rejected Wu's authority and took power for herself.[8]

Five infantry and mecha tank battalions were prepared to battle Kuvira and her army, though were forced to surrender on President Raiko's order.

Weeks later, the United Forces fortified the borders of the United Republic and guarded the rail lines into Republic City as a preemptive defensive measure against an attack by Kuvira and her army. When the threat became a reality, General Iroh stationed his troops, consisting of five battalions of foot soldiers and thirty-five mecha tanks, at the clearing from where Kuvira would approach the city and erected a defensive barrier with barbed wire. When both armies stood face-to-face, Kuvira demonstrated the power of her spirit energy cannon by laying waste to the United Forces' fleet in a matter of seconds. When she aimed the weapon on the infantry, General Iroh requested President Raiko permission to engage, though Raiko denied the request and surrendered the city and the United Forces instead, yielding to the overwhelming power of the cannon.[9]

Spirit crisis

Several weeks later, the United Forces were deployed by President Raiko to erect a perimeter around Republic City's spirit portal. Their actions were opposed by Avatar Korra and the Air Nation, and although General Iroh sympathized with them, he deferred them to President Raiko, since he was the one who ordered the portal on lockdown.[10]

The United Forces later held a tense standoff against the Air Nation, who were staging a nonviolent protest until General Iroh withdrew his forces. Iroh then summoned Raiko, who ordered his waterbenders to attack when the airbenders refuse to leave. Ultimately, Raiko ordered a ceasefire when Iroh argued that the airbenders were not fighting back. The airbenders were soon joined by a crowd of citizens led by Zhu Li in support of their causes. Subsequently, Tokuga of the Triple Threat Triad threatened to release poison gas from his airship if Raiko did not permanently withdraw the United Forces from Republic City. Raiko only withdrew his troops to buy time for Iroh to call in a squadron of airplanes to force Tokuga's airship over the bay and shoot it down. Thankfully, this proved to be unnecessary, as Iroh tipped off Korra to the plan, enabling her to board the airship and rescue Asami Sato and Wonyong Keum, who redirected the the Triple Threat airship into the Spirit World where the poison gas could not affect spirits.[11]


The navy of the United Forces is split into several divisions: The First Division is commanded by General Iroh, while the Second Division was led by Commander Bumi before his resignation in early 171 AG.[2][3] The First Division was completely destroyed during the battle for Republic City in 170 AG,[3] and part of the overall navy was again destroyed in 174 AG by Kuvira and her spirit energy cannon.[9]


The design of the United Forces' battleships reflects the multi-national makeup of their crews: the ships' cannons bear the insignia of the Fire Nation, the Earth Kingdom insignia is located on their bows, and the Water Tribe insignia emblazons their hulls.[2] Beyond simple aesthetics, the ships' weapon systems are also designed to maximize their crews' various bending abilities: the cannons act as a guide for firebenders to precisely aim and release fireball missiles; multiple platforms are equipped with stone discs to be launched by earthbenders; and waterbenders are stationed low to the waterline for anti-mine defense.[3]


The different uniform colors of the United Forces.

The crewmen of the battleships wear differently colored uniforms, depending on the type of bending that they utilize: Firebenders wear maroon, earthbenders dark green, and waterbenders blue, while nonbenders wear gray. These uniforms may also be supplemented with caps or light helmets equipped with leather neck guards.

High-ranking officers wear a more elaborately designed uniform: The jacket is colored red and not discriminant of the officer's bending abilities, or lack thereof. These uniforms also include gold trimming, a black belt, and white trousers.

Known commanding officers

Air Force

After the Anti-bending Revolution, the United Forces acquired biplanes, which were incorporated into their line of warfare and bore the emblem of the United Republic. The Air Force's only known engagement was their defense against the Dark Avatar during the Unalaq Crisis; one of the biplanes was destroyed in the ensuing battle.[6]


The United Forces has an extensive infantry force, consisting of at least five battalions of 275 soldiers each; two battalions are formed by soldiers hailing from the Fire Nation, two from the Earth Kingdom, and one from the Water Tribes. Following the Anti-bending Revolution, the ground troops were strengthened by at least 35 mecha tanks, divided in five battalions of seven.[9]



  1. Hedrick, Tim (writer) & Heck, Colin (director). (September 13, 2013). "Rebel Spirit". The Legend of Korra. Book Two: Spirits. Episode 1. Nickelodeon.
  2. 2.0 2.1 2.2 2.3 DiMartino, Michael Dante, Konietzko, Bryan (writers) & Dos Santos, Joaquim, Ryu, Ki Hyun (directors). (June 16, 2012). "Turning the Tides". The Legend of Korra. Book One: Air. Episode 10. Nickelodeon.
  3. 3.0 3.1 3.2 3.3 DiMartino, Michael Dante, Konietzko, Bryan (writers) & Dos Santos, Joaquim, Ryu, Ki Hyun (directors). (June 23, 2012). "Skeletons in the Closet". The Legend of Korra. Book One: Air. Episode 11. Nickelodeon.
  4. 4.0 4.1 Hedrick, Tim (writer) & Heck, Colin (director). (October 4, 2013). "Peacekeepers". The Legend of Korra. Book Two: Spirits. Episode 5. Nickelodeon.
  5. Hamilton, Joshua (writer) & Heck, Colin (director). "Night of a Thousand Stars". The Legend of Korra. Book Two: Spirits. Episode 11. Nickelodeon.
  6. 6.0 6.1 DiMartino, Michael Dante (writer) & Graham, Ian (director). (November 22, 2013). "Light in the Dark". The Legend of Korra. Book Two: Spirits. Episode 14. Nickelodeon.
  7. Hamilton, Joshua (writer) & Heck, Colin (director). (October 3, 2014). "After All These Years". The Legend of Korra. Book Four: Balance. Episode 1. Nick.com.
  8. Hedrick, Tim (writer) & Zwyer, Melchior (director). (October 17, 2014). "The Coronation". The Legend of Korra. Book Four: Balance. Episode 3. Nick.com.
  9. 9.0 9.1 9.2 Hamilton, Joshua (writer) & Heck, Colin (director). (December 12, 2014). "Kuvira's Gambit". The Legend of Korra. Book Four: Balance. Episode 11. Nick.com.
  10. DiMartino, Michael Dante (writer), Koh, Irene (artist), Piekos, Nate; Blambot (letterer), Campbell, Heather; Ng, Killian (cover). Turf Wars Part Two (January 17, 2018), Dark Horse Comics.
  11. DiMartino, Michael Dante (writer), Koh, Irene (artist), Piekos, Nate; Blambot (letterer), Campbell, Heather; Ng, Killian (cover). Turf Wars Part Three (August 1, 2018), Dark Horse Comics.
  12. Christopher John Farley (June 19, 2012). 'The Legend of Korra' Creators Preview the Season Finale. The Wall Street Journal. Retrieved on June 19, 2012.
  13. Bryan Konietzko on DVD commentary for "Endgame".