| Faction | Arsenal | Missions | Old version(s) | Changes from Yuri's Revenge |
The following is a list of the entire Allied arsenal in Mental Omega.
General[]
| Tier 1 | 
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| Tier 2 | 
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| Tier 3 | 
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United States[]
| Tier 2 | 
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European Alliance[]
| Tier 2 | 
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Pacific Front[]
| Tier 2 | 
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General[]
| Tier 1 | 
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| Tier 2 | 
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| Tier 3 | 
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United States[]
| Tier 2 | 
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European Alliance[]
| Tier 2 | 
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| Tier 3 | 
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Pacific Front[]
| Tier 3 | 
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General[]
| Tier 1 | 
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| Tier 2 | 
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| Tier 3 | 
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United States[]
| Tier 3 | 
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European Alliance[]
| Tier 3 | 
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Pacific Front[]
| Tier 3 | 
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General[]
| Tier 1 | 
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| Tier 2 | 
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United States[]
| Tier 1 | 
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| |
| Tier 2 | 
| ||
| Tier 3 | 
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European Alliance[]
| Tier 1 | 
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| Tier 2 | 
| |
| Tier 3 | 
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Pacific Front[]
| Tier 1 | 
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| |
| Tier 2 | 
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| Tier 3 | 
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Stolen Tech[]
From
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From
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From
 | |
| Tier 3 | 
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General[]
| Tier 2 | 
| ||
| Tier 3 | 
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United States[]
| Tier 2 | 
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European Alliance[]
| Tier 2 | 
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| Tier 3 | 
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Pacific Front[]
| Tier 2 | 
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Stolen Tech[]
From
 | |
| Tier 3 | 
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Allied Arsenal 