History Main / InterserviceRivalry

** The 10th season episode ''[[Recap/MashS10E19SonsAndBowlers Sons and Bowlers]]'' also features this as the 4077th tries to beat a local Marine unit in a friendly sporting event. However, when wounded pour in the interservice rivalry is dropped in a heartbeat as the Marines render aid to the 4077th and the wounded.
** The

* A hilarious episode of ''Series/{{MASH}}'' has the doctors endure an unexploded aerial bomb dropped ''from [[FriendlyFireIndex their own side]]'' in the middle of the camp, and to defuse it they have to find out which branch of the military uses that kind of explosive. It doesn't help that this is all taking place during the Army vs. Navy football game that everyone's following. [[spoiler:The bomb actually belongs to the [=CIA=]... - and it's filled with propaganda leaflets signed by UsefulNotes/DouglasMacArthur urging their recipients to surrender.]]

* Done twice in the ''VideoGame/MetalGear'' series:

** Becomes a plot point when the rivalry between the Sangheili and the Jiralhanae within the Covenant breaks out to an open civil war. A war that [[BigBad The Prophet of Truth]] deliberately provoked in order to replace the Sangheili with the Jiralhanae as his leading troops, as he considers the Sangheili's extreme reliance on their code of honor as a hindrance on their direct loyalty to him, while the Jiralhanae almost never questions orders as long as it involved killing something, with the other species' loyalty splintered. This plot point caused the Sangheili [[HeelRaceTurn to ally themselves with UNSC]], [[TheCavalry turning the war to their favour and together, they finally kill Truth and destroys the Covenant once and for all]].

** The novels state there is also a rivalry between the Unggoy (Grunts) and Kig-Yar (Jackals), though it isn't nearly as intense as the one the Elites and Brutes have. Or at least, due to these races being lower in the FantasticCasteSystem, not as important. At least one time on record the Jackals attempted to sterilize the Grunt population due to incidents involving the Grunts accidentially infringing on and destroying Jackal eggs in their nesting grounds, which led to at least one Grunt Rebellion as a whole.

** The [[CorruptChurch Tribunal Temple]] has two militant wings: the ChurchPolice Ordinators, who serve as guards for Temple holdings and holy sites, inquisitors, and jailers, with KnightTemplar traits, and the Buoyant Armigers, elite special forces handpicked for service by [[PhysicalGod Vivec]] himself, who are typically decked out in high quality glass armor and typically operate in the [[LethalLavaLand Lethal Lava Lands]] and [[{{Mordor}} Mordors]] of Vvardenfell. The more solemn Ordinators don't really get along with the Armigers, who seek to emulate Vivec's WarriorPoet traits.

* ''VideoGame/RedAlert3'':

** Played straight with the Harbinger, a monstrously huge and powerful gunship aircraft whose pilots are viewed with suspicion and distaste by ''other pilots'' of all people. This apparently stems from Futuretech running it own flight schools rather than let experienced pilots use it. Granted, given the fact that the ordnance on board is just barely this side of a WMD it's understandable.

* Just about any PoliceProcedural featuring repeated visits from InternalAffairs. These include, but are not limited to the various ''Series/CSIVerse'' shows, the various ''Franchise/LawAndOrder'' shows and ''Series/{{Monk}}''.
** In recent seasons of ''Series/LawAndOrderSVU'', Immigration and Customs Enforcement has largely supplanted Internal Affairs as the interservice enemy of choice, as deportations are a convenient cover for disposing of witnesses and victims alike.

* The Public Security Division and the Kerberos Unit have an intense one going on in ''[[Anime/JinRohTheWolfBrigade Jin-Roh]]''. PlayedForDrama, as the rivalry is escalating at a worrying rate. [[spoiler:In fact, the entire plot was brought about by it; Kei is really a Public Security agent and her romance with Fuse was staged to try and create a fake scandal that would let the PSD shut down the Kerberos Unit. Unfortunately for them, Kerberos know about the scheme and out-manipulate the PVD, killing Kei and several other agents while blackmailing the PVD into standing down.]]

* ''Series/{{JAG}}'': Two rival InternalAffairs groups
* ''Series/SevenDays'': Two rival InternalAffairs groups

** Actually, most soldiers and officers are very friendly and supportive towards the Witches because they are TheCavalry. Only very conservative generals are reluctant to rely on Witches. However, a straight forward interservice rivalry exists among different branches armed forces.

* Largely subverted on ''Series/{{Obliterated}}'', as the team is made up of members of the CIA (Ava), NSA (Maya), and all four branches of the Armed Forces ([=McKnight=] and Trunk are Navy SEALs, Gomez is a Marine Corps sniper, Yung is an Air Force helicopter pilot and Hagerty is an Army EOD Specialist). The team generally works well together, but they all hate the FBI, and the feeling is mutual.

* Averted in ''Film/{{Transformers}}'', where a special forces team is made up of members from several branches of the military (Lennox and most of the team are Army Special Forces, and Epps is an Air Force Combat Controller) with nary a word of disparagement between branch members. Yeah, one would hope that rivalry can be put aside against giant robot {{Alien Invasion}}s.

*** Sparce Marines, except in the most grim and gloomy chapters like the Death Eagles, are proud warriors who will not take insults laying down. More pragmatic chapters like the Raptors and the Minotaurs will punctuate the insult with a bolt shell to the skull while most others will make sure to remember it.

** The Imperium of Man

* ''VideoGame/TheLegendOfHeroesTrailsInTheSky'': Liberl's Army and Intelligence Division have a major rivalry between one another and the [[AdventureGuild Bracer Guild]]. This builds up to a coup/CivilWar. The whole thing has it's roots in Cassius Bright resigning from the Army and creating a power vacuum 10 years prior.
* ''VideoGame/TheLegendOfHeroesTrailsFromZero'': Crossbell has a rivalry between sections of it's police department, with the Special Support Section being particularly disliked for being a transparent popularity ploy. Said popularity ploy stems from the Bracer's Guild being much more popular, and the SSS is specifically built to steal the thunder from the Bracer's Guild's more community focused activities.

* ''Manga/OnePiece'': For the most part, both the Marines and [[StateSec Cipher Pol]] get along well when it comes to crusading against piracy and serving the World Government. However, tensions sometimes crop up when it comes to the main goals of each organization. The Marines are focused primarily on stopping piracy and maintaining the security of the World Government and its member states. In contrast, Cipher Pol is primarily focused on serving the political interests of the World Government first and only stopping pirates and other criminals as a secondary objective.[[note]]The exception is if the mission a CP Agent is given specifically involves dealing with pirates/criminals that are considered political threats and/or threats large enough warrant assassination.[[/note]] As a result, clashes sometimes occur in which Marines and CP agents will not hesitate to try and kill each other during their respective missions. A good example is during the Enies Lobby Arc, when Vice Admiral Onigumo ordered his ships to open fire on the ship Luffy and Lucci were fighting on in an attempt to kill Luffy, and just before that, Lucci threatened to kill the Marines onboard the ship if they got in the way of his fight.

* ''Manga/OnePiece'': For the most part, both the Marines and [[StateSec Cipher Pol]] get along well when it comes to crusading against piracy and serving the World Government. However, tensions sometimes crop up when it comes to the main goals of each organization. The Marines are focused primarily on stopping piracy and maintaining the security of the World Government and its member states. In contrast, Cipher Pol is primarily focused on serving the political interests of the World Government first and dealing with pirates and other criminals only as a secondary objective. As a result, clashes sometimes occur in which Marines and CP agents will not hesitate to try and kill each other during their respective missions. A good example is during the Enies Lobby Arc, when Vice Admiral Onigumo ordered his ships to open fire on the ship Luffy and Lucci were fighting on, and just before that Lucci threatened to kill the Marines onboard the ship if they got in his way.

* In ''Manga/OnePiece'', tension exists between the Navy and [[StateSec Cipher Pol]] due to their differing ideologies (stopping piracy versus serving the interests of the World Government.) [[spoiler:This causes them to end up on opposite sides during the raid on Onigashima, with [[MilitaryMaverick SWORD]] supporting Luffy and [[PraetorianGuard CP0]] supporting Kaido.]]

* InterserviceRivalry:

''[[UsefulNotes/CollegiateAmericanFootball GO ARMY, BEAT NAVY]]''

''[[UsefulNotes/GroupOfFiveConferences GO NAVY, BEAT ARMY]]''

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** Army or Navy vs. the Air Force Falcons. The Air Force simply hasn't been around as long, so the rivalry hasn't truly had a chance to really ''fester'', you know? Even though the Air Force Academy has won [[http://en.wikipedia.org/wiki/Commander-in-Chief%27s_Trophy the Commander-in-Chief's Trophy]] more often than either of its opponents, The Army-Navy Game is still the one taken the ''most'' seriously. So seriously, in fact, that despite the fact that neither Army nor Navy have been truly relevant to the college football championship scene in years, their game is still considered one of the premier rivalry games in the nation.

* U.S. Militarty teams:
** Army vs. Navy in NCAA college football. Neither West Point or the US Naval Academy have been serious contenders in the NCAA for decades, but the rivalry is so notorious that it's one of the most anticipated games of the football season. It is traditionally held the weekend after the conference championship games and serves as both the last game of the regular season and the last game until the bowl games and playoffs begin in late December. The US Navy's official song "Anchors Aweigh", as originally composed, is about the Navy beating the army in the Army vs Navy football game. The song was written in 1906 and the lyrics wouldn't be modified to be "all Navy" until 1926.
** Army or Navy vs. Air Force. The Air Force simply hasn't been around as long, so the rivalry hasn't truly had a chance to really ''fester'', you know? Even though the Air Force Academy has won [[http://en.wikipedia.org/wiki/Commander-in-Chief%27s_Trophy the Commander-in-Chief's Trophy]] more often than either of its opponents, The Army-Navy Game is still the one taken the ''most'' seriously. So seriously, in fact, that despite the fact that neither Army nor Navy have been truly relevant to the college football championship scene in years, their game is still considered one of the premier rivalry games in the nation.

* The various geographical units of the Amestris military in ''Manga/FullmetalAlchemist'' evidence this. Soldiers from the Northern (Briggs), Central, and East forces (the ones shown so far) never lack for snide things to say about every unit aside from theirs. [[spoiler:It's taken even further in the buildup to the GrandFinale, as General Armstrong and the Briggs soldiers join Roy Mustang's coup against the Amestrian leadership, leading to a battle in the capital between Briggs and Central soldiers]].

* Present in ''Fanfic/WilhuffTarkinHeroOfTheRebellion'' between the Imperial Army and the Imperial Navy... But they all hate the [[ObstructiveBureaucrat efficiency experts]] and [[StateSec COMPNOR]] more, and are willing to put it on hold. The hatred for the efficiency experts is so deep that when Tarkin, who identifies himself as a naval officer, was forced to work with one, Tarkin was planning to get him EatenAlive by a Hutt at the first chance and the crew of his Star Destroyer was [[TamperingWithFoodAndDrink giving the expert spoiled food and a constant stomacache]] (with Tarkin ''knowing''), at least until Tarkin realize the efficiency expert actually knew his job and informed the crew.