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MacArthur V was a planet located somewhere in the space of the galaxy's Alpha or Beta Quadrants, the fifth planet in orbit of the MacArthur star system.
The MacArthur system was near to the 23rd century Federation border with the Klingon Neutral Zone. (ST video game: Klingon Academy)
| MacArthur star system | ||||||||||||||||||||||||||||||||||||||||||||||
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| MacArthur system primary star: MacArthur I • MacArthur II • MacArthur III • MacArthur IV • MacArthur V |  
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