Halo: Combat Evolved
- Marine -> Marine Major
- Armored Marine -> Armored Marine Major
- Grunt Minor -> Grunt Major
- Jackal Minor -> Jackal Major
- Elite Minor -> Elite Major
- Stealth Elite -> Stealth Elite Major
- Hunter -> Hunter Major
- Sentinel -> Sentinel Major
Halo 3
- Elite Minor -> Elite Major
- Grunt Minor -> Grunt Major -> Grunt Ultra
- Jackal Minor -> Jackal Major
- Brute Minor -> Brute Major -> Brute Ultra
- Brute Captain -> Brute Captain Major -> Brute Captain Ultra
Halo: Reach
- Grunt Minor -> Grunt Major -> Grunt Ultra
- Jackal Minor -> Jackal Major
- Elite Minor -> Elite Officer -> Elite Ultra
Halo 5: Guardians
- Grunt Storm -> Grunt Imperial
- Jackal Storm -> Jackal Heavy
- Elite Storm -> Elite Commander -> Elite Warrior
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Halo 2
- Grunt Minor -> Grunt Major
- Jackal Minor -> Jackal Major
- Elite Minor -> Elite Major
Halo 3: ODST
- Grunt Minor -> Grunt Major
- Jackal Minor -> Jackal Major
- Elite Minor -> Elite Major
Halo 4
- Grunt Storm -> Grunt Imperial
- Jackal Storm -> Jackal Heavy
- Elite Storm -> Elite Commander
Halo Infinite
- Grunt Conscript -> Grunt Assault
- Jackal Freebooter -> Jackal Raider
- Elite Mercenary -> Elite Enforcer
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